Home / 22,252.85-30,699.15-13,295.87

Finding the Fourth Proportional to 22,252.85, 30,699.15 and 13,295.87

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Solution

The fourth proportional to 22,252.85, 30,699.15 and 13,295.87 is: 18,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,252.85 : 30,699.15 = 13,295.87 : x
  2. Step 2: Convert to fraction form
    22,252.85/30,699.15 = 13,295.87/x
  3. Step 3: Cross multiply
    22,252.85x = 30,699.15 × 13,295.87
  4. Step 4: Simplify right side
    22,252.85x = 408,171,754.01
  5. Step 5: Solve for x
    x = 408,171,754.01/22,252.85
  6. Step 6: Final answer
    x = 18,342.45

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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.