Home / 55,686.29-83,520.95-18,250.25

Finding the Fourth Proportional to 55,686.29, 83,520.95 and 18,250.25

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Solution

The fourth proportional to 55,686.29, 83,520.95 and 18,250.25 is: 27,372.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,686.29 : 83,520.95 = 18,250.25 : x
  2. Step 2: Convert to fraction form
    55,686.29/83,520.95 = 18,250.25/x
  3. Step 3: Cross multiply
    55,686.29x = 83,520.95 × 18,250.25
  4. Step 4: Simplify right side
    55,686.29x = 1,524,278,126.49
  5. Step 5: Solve for x
    x = 1,524,278,126.49/55,686.29
  6. Step 6: Final answer
    x = 27,372.59

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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.