Home / 19,934.73-27,487.11-14,890.45

Finding the Fourth Proportional to 19,934.73, 27,487.11 and 14,890.45

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Solution

The fourth proportional to 19,934.73, 27,487.11 and 14,890.45 is: 20,531.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,934.73 : 27,487.11 = 14,890.45 : x
  2. Step 2: Convert to fraction form
    19,934.73/27,487.11 = 14,890.45/x
  3. Step 3: Cross multiply
    19,934.73x = 27,487.11 × 14,890.45
  4. Step 4: Simplify right side
    19,934.73x = 409,295,437.10
  5. Step 5: Solve for x
    x = 409,295,437.10/19,934.73
  6. Step 6: Final answer
    x = 20,531.78

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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.