Home / 15,864.72-23,799-14,991.12

Finding the Fourth Proportional to 15,864.72, 23,799 and 14,991.12

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Solution

The fourth proportional to 15,864.72, 23,799 and 14,991.12 is: 22,488.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,864.72 : 23,799 = 14,991.12 : x
  2. Step 2: Convert to fraction form
    15,864.72/23,799 = 14,991.12/x
  3. Step 3: Cross multiply
    15,864.72x = 23,799 × 14,991.12
  4. Step 4: Simplify right side
    15,864.72x = 356,773,664.88
  5. Step 5: Solve for x
    x = 356,773,664.88/15,864.72
  6. Step 6: Final answer
    x = 22,488.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.