Home / 14,712.18-20,301.95-7,997.75

Finding the Fourth Proportional to 14,712.18, 20,301.95 and 7,997.75

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Solution

The fourth proportional to 14,712.18, 20,301.95 and 7,997.75 is: 11,036.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.18 : 20,301.95 = 7,997.75 : x
  2. Step 2: Convert to fraction form
    14,712.18/20,301.95 = 7,997.75/x
  3. Step 3: Cross multiply
    14,712.18x = 20,301.95 × 7,997.75
  4. Step 4: Simplify right side
    14,712.18x = 162,369,920.61
  5. Step 5: Solve for x
    x = 162,369,920.61/14,712.18
  6. Step 6: Final answer
    x = 11,036.43

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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.