Home / 22,600.08-31,189.14-12,529.62

Finding the Fourth Proportional to 22,600.08, 31,189.14 and 12,529.62

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Solution

The fourth proportional to 22,600.08, 31,189.14 and 12,529.62 is: 17,291.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,600.08 : 31,189.14 = 12,529.62 : x
  2. Step 2: Convert to fraction form
    22,600.08/31,189.14 = 12,529.62/x
  3. Step 3: Cross multiply
    22,600.08x = 31,189.14 × 12,529.62
  4. Step 4: Simplify right side
    22,600.08x = 390,788,072.33
  5. Step 5: Solve for x
    x = 390,788,072.33/22,600.08
  6. Step 6: Final answer
    x = 17,291.45

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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.