Home / 28,080.68-38,741.95-18,014.55

Finding the Fourth Proportional to 28,080.68, 38,741.95 and 18,014.55

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Solution

The fourth proportional to 28,080.68, 38,741.95 and 18,014.55 is: 24,854.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080.68 : 38,741.95 = 18,014.55 : x
  2. Step 2: Convert to fraction form
    28,080.68/38,741.95 = 18,014.55/x
  3. Step 3: Cross multiply
    28,080.68x = 38,741.95 × 18,014.55
  4. Step 4: Simplify right side
    28,080.68x = 697,918,789.20
  5. Step 5: Solve for x
    x = 697,918,789.20/28,080.68
  6. Step 6: Final answer
    x = 24,854.06

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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.