Home / 22,666.56-31,279.41-12,594.90

Finding the Fourth Proportional to 22,666.56, 31,279.41 and 12,594.90

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Solution

The fourth proportional to 22,666.56, 31,279.41 and 12,594.90 is: 17,380.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,666.56 : 31,279.41 = 12,594.90 : x
  2. Step 2: Convert to fraction form
    22,666.56/31,279.41 = 12,594.90/x
  3. Step 3: Cross multiply
    22,666.56x = 31,279.41 × 12,594.90
  4. Step 4: Simplify right side
    22,666.56x = 393,961,041.01
  5. Step 5: Solve for x
    x = 393,961,041.01/22,666.56
  6. Step 6: Final answer
    x = 17,380.72

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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.