Home / 55,625.49-83,437.47-13,505.90

Finding the Fourth Proportional to 55,625.49, 83,437.47 and 13,505.90

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Solution

The fourth proportional to 55,625.49, 83,437.47 and 13,505.90 is: 20,258.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,625.49 : 83,437.47 = 13,505.90 : x
  2. Step 2: Convert to fraction form
    55,625.49/83,437.47 = 13,505.90/x
  3. Step 3: Cross multiply
    55,625.49x = 83,437.47 × 13,505.90
  4. Step 4: Simplify right side
    55,625.49x = 1,126,897,708.89
  5. Step 5: Solve for x
    x = 1,126,897,708.89/55,625.49
  6. Step 6: Final answer
    x = 20,258.66

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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.