Home / 35,862.08-53,780.08-13,681.60

Finding the Fourth Proportional to 35,862.08, 53,780.08 and 13,681.60

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Solution

The fourth proportional to 35,862.08, 53,780.08 and 13,681.60 is: 20,517.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,862.08 : 53,780.08 = 13,681.60 : x
  2. Step 2: Convert to fraction form
    35,862.08/53,780.08 = 13,681.60/x
  3. Step 3: Cross multiply
    35,862.08x = 53,780.08 × 13,681.60
  4. Step 4: Simplify right side
    35,862.08x = 735,797,542.53
  5. Step 5: Solve for x
    x = 735,797,542.53/35,862.08
  6. Step 6: Final answer
    x = 20,517.43

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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.