Home / 22,743.12-34,135.84-11,657.76

Finding the Fourth Proportional to 22,743.12, 34,135.84 and 11,657.76

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Solution

The fourth proportional to 22,743.12, 34,135.84 and 11,657.76 is: 17,497.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,743.12 : 34,135.84 = 11,657.76 : x
  2. Step 2: Convert to fraction form
    22,743.12/34,135.84 = 11,657.76/x
  3. Step 3: Cross multiply
    22,743.12x = 34,135.84 × 11,657.76
  4. Step 4: Simplify right side
    22,743.12x = 397,947,430.12
  5. Step 5: Solve for x
    x = 397,947,430.12/22,743.12
  6. Step 6: Final answer
    x = 17,497.49

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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.