Home / 23,125.20-34,687.80-13,283.70

Finding the Fourth Proportional to 23,125.20, 34,687.80 and 13,283.70

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Solution

The fourth proportional to 23,125.20, 34,687.80 and 13,283.70 is: 19,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,125.20 : 34,687.80 = 13,283.70 : x
  2. Step 2: Convert to fraction form
    23,125.20/34,687.80 = 13,283.70/x
  3. Step 3: Cross multiply
    23,125.20x = 34,687.80 × 13,283.70
  4. Step 4: Simplify right side
    23,125.20x = 460,782,328.86
  5. Step 5: Solve for x
    x = 460,782,328.86/23,125.20
  6. Step 6: Final answer
    x = 19,925.55

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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.