Home / 19,422.15-26,737.76-18,529.49

Finding the Fourth Proportional to 19,422.15, 26,737.76 and 18,529.49

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Solution

The fourth proportional to 19,422.15, 26,737.76 and 18,529.49 is: 25,508.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.15 : 26,737.76 = 18,529.49 : x
  2. Step 2: Convert to fraction form
    19,422.15/26,737.76 = 18,529.49/x
  3. Step 3: Cross multiply
    19,422.15x = 26,737.76 × 18,529.49
  4. Step 4: Simplify right side
    19,422.15x = 495,437,169.71
  5. Step 5: Solve for x
    x = 495,437,169.71/19,422.15
  6. Step 6: Final answer
    x = 25,508.88

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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.