Home / 19,082.34-28,612.53-15,981.66

Finding the Fourth Proportional to 19,082.34, 28,612.53 and 15,981.66

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Solution

The fourth proportional to 19,082.34, 28,612.53 and 15,981.66 is: 23,963.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,082.34 : 28,612.53 = 15,981.66 : x
  2. Step 2: Convert to fraction form
    19,082.34/28,612.53 = 15,981.66/x
  3. Step 3: Cross multiply
    19,082.34x = 28,612.53 × 15,981.66
  4. Step 4: Simplify right side
    19,082.34x = 457,275,726.20
  5. Step 5: Solve for x
    x = 457,275,726.20/19,082.34
  6. Step 6: Final answer
    x = 23,963.29

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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.