Home / 27,618.68-38,114.04-15,043.52

Finding the Fourth Proportional to 27,618.68, 38,114.04 and 15,043.52

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Solution

The fourth proportional to 27,618.68, 38,114.04 and 15,043.52 is: 20,760.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,618.68 : 38,114.04 = 15,043.52 : x
  2. Step 2: Convert to fraction form
    27,618.68/38,114.04 = 15,043.52/x
  3. Step 3: Cross multiply
    27,618.68x = 38,114.04 × 15,043.52
  4. Step 4: Simplify right side
    27,618.68x = 573,369,323.02
  5. Step 5: Solve for x
    x = 573,369,323.02/27,618.68
  6. Step 6: Final answer
    x = 20,760.20

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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.