Home / 22,475.12-31,027.32-16,418.56

Finding the Fourth Proportional to 22,475.12, 31,027.32 and 16,418.56

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Solution

The fourth proportional to 22,475.12, 31,027.32 and 16,418.56 is: 22,666.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,475.12 : 31,027.32 = 16,418.56 : x
  2. Step 2: Convert to fraction form
    22,475.12/31,027.32 = 16,418.56/x
  3. Step 3: Cross multiply
    22,475.12x = 31,027.32 × 16,418.56
  4. Step 4: Simplify right side
    22,475.12x = 509,423,759.92
  5. Step 5: Solve for x
    x = 509,423,759.92/22,475.12
  6. Step 6: Final answer
    x = 22,666.12

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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.