Home / 18,851.38-25,948.28-16,619.02

Finding the Fourth Proportional to 18,851.38, 25,948.28 and 16,619.02

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Solution

The fourth proportional to 18,851.38, 25,948.28 and 16,619.02 is: 22,875.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851.38 : 25,948.28 = 16,619.02 : x
  2. Step 2: Convert to fraction form
    18,851.38/25,948.28 = 16,619.02/x
  3. Step 3: Cross multiply
    18,851.38x = 25,948.28 × 16,619.02
  4. Step 4: Simplify right side
    18,851.38x = 431,234,984.29
  5. Step 5: Solve for x
    x = 431,234,984.29/18,851.38
  6. Step 6: Final answer
    x = 22,875.51

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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.