Home / 18,609.11-25,681.71-10,651.15

Finding the Fourth Proportional to 18,609.11, 25,681.71 and 10,651.15

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Solution

The fourth proportional to 18,609.11, 25,681.71 and 10,651.15 is: 14,699.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609.11 : 25,681.71 = 10,651.15 : x
  2. Step 2: Convert to fraction form
    18,609.11/25,681.71 = 10,651.15/x
  3. Step 3: Cross multiply
    18,609.11x = 25,681.71 × 10,651.15
  4. Step 4: Simplify right side
    18,609.11x = 273,539,721.20
  5. Step 5: Solve for x
    x = 273,539,721.20/18,609.11
  6. Step 6: Final answer
    x = 14,699.24

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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.