Home / 19,001.39-26,221.52-10,387.44

Finding the Fourth Proportional to 19,001.39, 26,221.52 and 10,387.44

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Solution

The fourth proportional to 19,001.39, 26,221.52 and 10,387.44 is: 14,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.39 : 26,221.52 = 10,387.44 : x
  2. Step 2: Convert to fraction form
    19,001.39/26,221.52 = 10,387.44/x
  3. Step 3: Cross multiply
    19,001.39x = 26,221.52 × 10,387.44
  4. Step 4: Simplify right side
    19,001.39x = 272,374,491.68
  5. Step 5: Solve for x
    x = 272,374,491.68/19,001.39
  6. Step 6: Final answer
    x = 14,334.45

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Half scale
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Double scale
Find fourth proportional to 19,002.39, 26,222.90 and 10,388.44
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.