Home / 19,882.36-27,437.10-10,929.88

Finding the Fourth Proportional to 19,882.36, 27,437.10 and 10,929.88

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Solution

The fourth proportional to 19,882.36, 27,437.10 and 10,929.88 is: 15,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,882.36 : 27,437.10 = 10,929.88 : x
  2. Step 2: Convert to fraction form
    19,882.36/27,437.10 = 10,929.88/x
  3. Step 3: Cross multiply
    19,882.36x = 27,437.10 × 10,929.88
  4. Step 4: Simplify right side
    19,882.36x = 299,884,210.55
  5. Step 5: Solve for x
    x = 299,884,210.55/19,882.36
  6. Step 6: Final answer
    x = 15,082.93

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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.