Home / 18,475.07-25,495.80-10,517.42

Finding the Fourth Proportional to 18,475.07, 25,495.80 and 10,517.42

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Solution

The fourth proportional to 18,475.07, 25,495.80 and 10,517.42 is: 14,514.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.07 : 25,495.80 = 10,517.42 : x
  2. Step 2: Convert to fraction form
    18,475.07/25,495.80 = 10,517.42/x
  3. Step 3: Cross multiply
    18,475.07x = 25,495.80 × 10,517.42
  4. Step 4: Simplify right side
    18,475.07x = 268,150,061.14
  5. Step 5: Solve for x
    x = 268,150,061.14/18,475.07
  6. Step 6: Final answer
    x = 14,514.16

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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.