Home / 22,755.42-34,134.75-13,409.10

Finding the Fourth Proportional to 22,755.42, 34,134.75 and 13,409.10

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Solution

The fourth proportional to 22,755.42, 34,134.75 and 13,409.10 is: 20,114.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,755.42 : 34,134.75 = 13,409.10 : x
  2. Step 2: Convert to fraction form
    22,755.42/34,134.75 = 13,409.10/x
  3. Step 3: Cross multiply
    22,755.42x = 34,134.75 × 13,409.10
  4. Step 4: Simplify right side
    22,755.42x = 457,716,276.23
  5. Step 5: Solve for x
    x = 457,716,276.23/22,755.42
  6. Step 6: Final answer
    x = 20,114.60

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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.