Home / 18,677.88-25,775.48-10,294.38

Finding the Fourth Proportional to 18,677.88, 25,775.48 and 10,294.38

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Solution

The fourth proportional to 18,677.88, 25,775.48 and 10,294.38 is: 14,206.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677.88 : 25,775.48 = 10,294.38 : x
  2. Step 2: Convert to fraction form
    18,677.88/25,775.48 = 10,294.38/x
  3. Step 3: Cross multiply
    18,677.88x = 25,775.48 × 10,294.38
  4. Step 4: Simplify right side
    18,677.88x = 265,342,585.80
  5. Step 5: Solve for x
    x = 265,342,585.80/18,677.88
  6. Step 6: Final answer
    x = 14,206.25

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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.