Home / 14,781.06-20,402.01-8,495.46

Finding the Fourth Proportional to 14,781.06, 20,402.01 and 8,495.46

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Solution

The fourth proportional to 14,781.06, 20,402.01 and 8,495.46 is: 11,726.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,781.06 : 20,402.01 = 8,495.46 : x
  2. Step 2: Convert to fraction form
    14,781.06/20,402.01 = 8,495.46/x
  3. Step 3: Cross multiply
    14,781.06x = 20,402.01 × 8,495.46
  4. Step 4: Simplify right side
    14,781.06x = 173,324,459.87
  5. Step 5: Solve for x
    x = 173,324,459.87/14,781.06
  6. Step 6: Final answer
    x = 11,726.12

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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.