Home / 19,876.28-27,429.92-10,924.47

Finding the Fourth Proportional to 19,876.28, 27,429.92 and 10,924.47

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Solution

The fourth proportional to 19,876.28, 27,429.92 and 10,924.47 is: 15,076.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,876.28 : 27,429.92 = 10,924.47 : x
  2. Step 2: Convert to fraction form
    19,876.28/27,429.92 = 10,924.47/x
  3. Step 3: Cross multiply
    19,876.28x = 27,429.92 × 10,924.47
  4. Step 4: Simplify right side
    19,876.28x = 299,657,283.52
  5. Step 5: Solve for x
    x = 299,657,283.52/19,876.28
  6. Step 6: Final answer
    x = 15,076.13

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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.