Home / 18,742.77-25,862.53-12,037.48

Finding the Fourth Proportional to 18,742.77, 25,862.53 and 12,037.48

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Solution

The fourth proportional to 18,742.77, 25,862.53 and 12,037.48 is: 16,610.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742.77 : 25,862.53 = 12,037.48 : x
  2. Step 2: Convert to fraction form
    18,742.77/25,862.53 = 12,037.48/x
  3. Step 3: Cross multiply
    18,742.77x = 25,862.53 × 12,037.48
  4. Step 4: Simplify right side
    18,742.77x = 311,319,687.62
  5. Step 5: Solve for x
    x = 311,319,687.62/18,742.77
  6. Step 6: Final answer
    x = 16,610.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.