Home / 22,666.60-31,278.42-12,594.28

Finding the Fourth Proportional to 22,666.60, 31,278.42 and 12,594.28

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Solution

The fourth proportional to 22,666.60, 31,278.42 and 12,594.28 is: 17,379.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,666.60 : 31,278.42 = 12,594.28 : x
  2. Step 2: Convert to fraction form
    22,666.60/31,278.42 = 12,594.28/x
  3. Step 3: Cross multiply
    22,666.60x = 31,278.42 × 12,594.28
  4. Step 4: Simplify right side
    22,666.60x = 393,929,179.44
  5. Step 5: Solve for x
    x = 393,929,179.44/22,666.60
  6. Step 6: Final answer
    x = 17,379.28

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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.