Home / 22,473.65-31,013.60-12,402.09

Finding the Fourth Proportional to 22,473.65, 31,013.60 and 12,402.09

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Solution

The fourth proportional to 22,473.65, 31,013.60 and 12,402.09 is: 17,114.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,473.65 : 31,013.60 = 12,402.09 : x
  2. Step 2: Convert to fraction form
    22,473.65/31,013.60 = 12,402.09/x
  3. Step 3: Cross multiply
    22,473.65x = 31,013.60 × 12,402.09
  4. Step 4: Simplify right side
    22,473.65x = 384,633,489.43
  5. Step 5: Solve for x
    x = 384,633,489.43/22,473.65
  6. Step 6: Final answer
    x = 17,114.87

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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.