Home / 18,266.11-25,207.29-9,882.61

Finding the Fourth Proportional to 18,266.11, 25,207.29 and 9,882.61

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Solution

The fourth proportional to 18,266.11, 25,207.29 and 9,882.61 is: 13,638.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.11 : 25,207.29 = 9,882.61 : x
  2. Step 2: Convert to fraction form
    18,266.11/25,207.29 = 9,882.61/x
  3. Step 3: Cross multiply
    18,266.11x = 25,207.29 × 9,882.61
  4. Step 4: Simplify right side
    18,266.11x = 249,113,816.23
  5. Step 5: Solve for x
    x = 249,113,816.23/18,266.11
  6. Step 6: Final answer
    x = 13,638.03

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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.