Home / 25,195.08-34,711.02-18,109.20

Finding the Fourth Proportional to 25,195.08, 34,711.02 and 18,109.20

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Solution

The fourth proportional to 25,195.08, 34,711.02 and 18,109.20 is: 24,948.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,195.08 : 34,711.02 = 18,109.20 : x
  2. Step 2: Convert to fraction form
    25,195.08/34,711.02 = 18,109.20/x
  3. Step 3: Cross multiply
    25,195.08x = 34,711.02 × 18,109.20
  4. Step 4: Simplify right side
    25,195.08x = 628,588,803.38
  5. Step 5: Solve for x
    x = 628,588,803.38/25,195.08
  6. Step 6: Final answer
    x = 24,948.87

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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.