Home / 25,013.48-34,337.84-21,470.54

Finding the Fourth Proportional to 25,013.48, 34,337.84 and 21,470.54

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Solution

The fourth proportional to 25,013.48, 34,337.84 and 21,470.54 is: 29,474.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,013.48 : 34,337.84 = 21,470.54 : x
  2. Step 2: Convert to fraction form
    25,013.48/34,337.84 = 21,470.54/x
  3. Step 3: Cross multiply
    25,013.48x = 34,337.84 × 21,470.54
  4. Step 4: Simplify right side
    25,013.48x = 737,251,688.19
  5. Step 5: Solve for x
    x = 737,251,688.19/25,013.48
  6. Step 6: Final answer
    x = 29,474.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.