Home / 19,882.24-27,437.55-10,929.89

Finding the Fourth Proportional to 19,882.24, 27,437.55 and 10,929.89

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Solution

The fourth proportional to 19,882.24, 27,437.55 and 10,929.89 is: 15,083.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,882.24 : 27,437.55 = 10,929.89 : x
  2. Step 2: Convert to fraction form
    19,882.24/27,437.55 = 10,929.89/x
  3. Step 3: Cross multiply
    19,882.24x = 27,437.55 × 10,929.89
  4. Step 4: Simplify right side
    19,882.24x = 299,889,403.37
  5. Step 5: Solve for x
    x = 299,889,403.37/19,882.24
  6. Step 6: Final answer
    x = 15,083.28

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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.