Home / 22,381.29-30,887.70-14,814.66

Finding the Fourth Proportional to 22,381.29, 30,887.70 and 14,814.66

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Solution

The fourth proportional to 22,381.29, 30,887.70 and 14,814.66 is: 20,445.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,381.29 : 30,887.70 = 14,814.66 : x
  2. Step 2: Convert to fraction form
    22,381.29/30,887.70 = 14,814.66/x
  3. Step 3: Cross multiply
    22,381.29x = 30,887.70 × 14,814.66
  4. Step 4: Simplify right side
    22,381.29x = 457,590,773.68
  5. Step 5: Solve for x
    x = 457,590,773.68/22,381.29
  6. Step 6: Final answer
    x = 20,445.24

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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.