Home / 18,265.96-25,207.05-9,882.46

Finding the Fourth Proportional to 18,265.96, 25,207.05 and 9,882.46

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Solution

The fourth proportional to 18,265.96, 25,207.05 and 9,882.46 is: 13,637.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.96 : 25,207.05 = 9,882.46 : x
  2. Step 2: Convert to fraction form
    18,265.96/25,207.05 = 9,882.46/x
  3. Step 3: Cross multiply
    18,265.96x = 25,207.05 × 9,882.46
  4. Step 4: Simplify right side
    18,265.96x = 249,107,663.34
  5. Step 5: Solve for x
    x = 249,107,663.34/18,265.96
  6. Step 6: Final answer
    x = 13,637.81

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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.