Home / 19,293.47-26,628.40-11,335.69

Finding the Fourth Proportional to 19,293.47, 26,628.40 and 11,335.69

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Solution

The fourth proportional to 19,293.47, 26,628.40 and 11,335.69 is: 15,645.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.47 : 26,628.40 = 11,335.69 : x
  2. Step 2: Convert to fraction form
    19,293.47/26,628.40 = 11,335.69/x
  3. Step 3: Cross multiply
    19,293.47x = 26,628.40 × 11,335.69
  4. Step 4: Simplify right side
    19,293.47x = 301,851,335.05
  5. Step 5: Solve for x
    x = 301,851,335.05/19,293.47
  6. Step 6: Final answer
    x = 15,645.26

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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.