Home / 57,426.12-86,140.80-15,873.12

Finding the Fourth Proportional to 57,426.12, 86,140.80 and 15,873.12

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Solution

The fourth proportional to 57,426.12, 86,140.80 and 15,873.12 is: 23,810.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,426.12 : 86,140.80 = 15,873.12 : x
  2. Step 2: Convert to fraction form
    57,426.12/86,140.80 = 15,873.12/x
  3. Step 3: Cross multiply
    57,426.12x = 86,140.80 × 15,873.12
  4. Step 4: Simplify right side
    57,426.12x = 1,367,323,255.30
  5. Step 5: Solve for x
    x = 1,367,323,255.30/57,426.12
  6. Step 6: Final answer
    x = 23,810.13

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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.