Home / 25,446.77-38,131.22-13,602.22

Finding the Fourth Proportional to 25,446.77, 38,131.22 and 13,602.22

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Solution

The fourth proportional to 25,446.77, 38,131.22 and 13,602.22 is: 20,382.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,446.77 : 38,131.22 = 13,602.22 : x
  2. Step 2: Convert to fraction form
    25,446.77/38,131.22 = 13,602.22/x
  3. Step 3: Cross multiply
    25,446.77x = 38,131.22 × 13,602.22
  4. Step 4: Simplify right side
    25,446.77x = 518,669,243.31
  5. Step 5: Solve for x
    x = 518,669,243.31/25,446.77
  6. Step 6: Final answer
    x = 20,382.52

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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.