Home / 15,122.82-22,677.08-5,260.87

Finding the Fourth Proportional to 15,122.82, 22,677.08 and 5,260.87

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Solution

The fourth proportional to 15,122.82, 22,677.08 and 5,260.87 is: 7,888.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,122.82 : 22,677.08 = 5,260.87 : x
  2. Step 2: Convert to fraction form
    15,122.82/22,677.08 = 5,260.87/x
  3. Step 3: Cross multiply
    15,122.82x = 22,677.08 × 5,260.87
  4. Step 4: Simplify right side
    15,122.82x = 119,301,086.86
  5. Step 5: Solve for x
    x = 119,301,086.86/15,122.82
  6. Step 6: Final answer
    x = 7,888.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.