Home / 23,114.66-31,887.94-13,677.76

Finding the Fourth Proportional to 23,114.66, 31,887.94 and 13,677.76

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Solution

The fourth proportional to 23,114.66, 31,887.94 and 13,677.76 is: 18,869.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,114.66 : 31,887.94 = 13,677.76 : x
  2. Step 2: Convert to fraction form
    23,114.66/31,887.94 = 13,677.76/x
  3. Step 3: Cross multiply
    23,114.66x = 31,887.94 × 13,677.76
  4. Step 4: Simplify right side
    23,114.66x = 436,155,590.21
  5. Step 5: Solve for x
    x = 436,155,590.21/23,114.66
  6. Step 6: Final answer
    x = 18,869.22

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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.