Home / 22,722.85-31,357.29-12,651.04

Finding the Fourth Proportional to 22,722.85, 31,357.29 and 12,651.04

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Solution

The fourth proportional to 22,722.85, 31,357.29 and 12,651.04 is: 17,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,722.85 : 31,357.29 = 12,651.04 : x
  2. Step 2: Convert to fraction form
    22,722.85/31,357.29 = 12,651.04/x
  3. Step 3: Cross multiply
    22,722.85x = 31,357.29 × 12,651.04
  4. Step 4: Simplify right side
    22,722.85x = 396,702,330.08
  5. Step 5: Solve for x
    x = 396,702,330.08/22,722.85
  6. Step 6: Final answer
    x = 17,458.30

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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.