Home / 18,470.74-25,472.31-14,706.33

Finding the Fourth Proportional to 18,470.74, 25,472.31 and 14,706.33

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Solution

The fourth proportional to 18,470.74, 25,472.31 and 14,706.33 is: 20,280.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.74 : 25,472.31 = 14,706.33 : x
  2. Step 2: Convert to fraction form
    18,470.74/25,472.31 = 14,706.33/x
  3. Step 3: Cross multiply
    18,470.74x = 25,472.31 × 14,706.33
  4. Step 4: Simplify right side
    18,470.74x = 374,604,196.72
  5. Step 5: Solve for x
    x = 374,604,196.72/18,470.74
  6. Step 6: Final answer
    x = 20,280.95

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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.