Home / 55,686.57-83,512.02-18,236.49

Finding the Fourth Proportional to 55,686.57, 83,512.02 and 18,236.49

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Solution

The fourth proportional to 55,686.57, 83,512.02 and 18,236.49 is: 27,348.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,686.57 : 83,512.02 = 18,236.49 : x
  2. Step 2: Convert to fraction form
    55,686.57/83,512.02 = 18,236.49/x
  3. Step 3: Cross multiply
    55,686.57x = 83,512.02 × 18,236.49
  4. Step 4: Simplify right side
    55,686.57x = 1,522,966,117.61
  5. Step 5: Solve for x
    x = 1,522,966,117.61/55,686.57
  6. Step 6: Final answer
    x = 27,348.89

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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.