Home / 18,265.50-25,206.57-9,882.18

Finding the Fourth Proportional to 18,265.50, 25,206.57 and 9,882.18

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Solution

The fourth proportional to 18,265.50, 25,206.57 and 9,882.18 is: 13,637.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.50 : 25,206.57 = 9,882.18 : x
  2. Step 2: Convert to fraction form
    18,265.50/25,206.57 = 9,882.18/x
  3. Step 3: Cross multiply
    18,265.50x = 25,206.57 × 9,882.18
  4. Step 4: Simplify right side
    18,265.50x = 249,095,861.92
  5. Step 5: Solve for x
    x = 249,095,861.92/18,265.50
  6. Step 6: Final answer
    x = 13,637.51

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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.