Home / 19,001.39-26,221.40-10,502.91

Finding the Fourth Proportional to 19,001.39, 26,221.40 and 10,502.91

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Solution

The fourth proportional to 19,001.39, 26,221.40 and 10,502.91 is: 14,493.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.39 : 26,221.40 = 10,502.91 : x
  2. Step 2: Convert to fraction form
    19,001.39/26,221.40 = 10,502.91/x
  3. Step 3: Cross multiply
    19,001.39x = 26,221.40 × 10,502.91
  4. Step 4: Simplify right side
    19,001.39x = 275,400,951.76
  5. Step 5: Solve for x
    x = 275,400,951.76/19,001.39
  6. Step 6: Final answer
    x = 14,493.73

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Half scale
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Double scale
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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.