Home / 19,332.90-26,668.17-10,947.78

Finding the Fourth Proportional to 19,332.90, 26,668.17 and 10,947.78

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Solution

The fourth proportional to 19,332.90, 26,668.17 and 10,947.78 is: 15,101.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.90 : 26,668.17 = 10,947.78 : x
  2. Step 2: Convert to fraction form
    19,332.90/26,668.17 = 10,947.78/x
  3. Step 3: Cross multiply
    19,332.90x = 26,668.17 × 10,947.78
  4. Step 4: Simplify right side
    19,332.90x = 291,957,258.16
  5. Step 5: Solve for x
    x = 291,957,258.16/19,332.90
  6. Step 6: Final answer
    x = 15,101.58

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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.