Home / 25,193.92-34,762.62-21,432.28

Finding the Fourth Proportional to 25,193.92, 34,762.62 and 21,432.28

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Solution

The fourth proportional to 25,193.92, 34,762.62 and 21,432.28 is: 29,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,193.92 : 34,762.62 = 21,432.28 : x
  2. Step 2: Convert to fraction form
    25,193.92/34,762.62 = 21,432.28/x
  3. Step 3: Cross multiply
    25,193.92x = 34,762.62 × 21,432.28
  4. Step 4: Simplify right side
    25,193.92x = 745,042,205.37
  5. Step 5: Solve for x
    x = 745,042,205.37/25,193.92
  6. Step 6: Final answer
    x = 29,572.30

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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.