Home / 22,380.90-30,887.28-14,814.06

Finding the Fourth Proportional to 22,380.90, 30,887.28 and 14,814.06

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Solution

The fourth proportional to 22,380.90, 30,887.28 and 14,814.06 is: 20,444.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,380.90 : 30,887.28 = 14,814.06 : x
  2. Step 2: Convert to fraction form
    22,380.90/30,887.28 = 14,814.06/x
  3. Step 3: Cross multiply
    22,380.90x = 30,887.28 × 14,814.06
  4. Step 4: Simplify right side
    22,380.90x = 457,566,019.16
  5. Step 5: Solve for x
    x = 457,566,019.16/22,380.90
  6. Step 6: Final answer
    x = 20,444.49

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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.