Home / 19,882.11-27,437.97-10,929.99

Finding the Fourth Proportional to 19,882.11, 27,437.97 and 10,929.99

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Solution

The fourth proportional to 19,882.11, 27,437.97 and 10,929.99 is: 15,083.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,882.11 : 27,437.97 = 10,929.99 : x
  2. Step 2: Convert to fraction form
    19,882.11/27,437.97 = 10,929.99/x
  3. Step 3: Cross multiply
    19,882.11x = 27,437.97 × 10,929.99
  4. Step 4: Simplify right side
    19,882.11x = 299,896,635.04
  5. Step 5: Solve for x
    x = 299,896,635.04/19,882.11
  6. Step 6: Final answer
    x = 15,083.74

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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.