Home / 18,267.56-25,209.14-9,884.04

Finding the Fourth Proportional to 18,267.56, 25,209.14 and 9,884.04

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Solution

The fourth proportional to 18,267.56, 25,209.14 and 9,884.04 is: 13,639.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.56 : 25,209.14 = 9,884.04 : x
  2. Step 2: Convert to fraction form
    18,267.56/25,209.14 = 9,884.04/x
  3. Step 3: Cross multiply
    18,267.56x = 25,209.14 × 9,884.04
  4. Step 4: Simplify right side
    18,267.56x = 249,168,148.13
  5. Step 5: Solve for x
    x = 249,168,148.13/18,267.56
  6. Step 6: Final answer
    x = 13,639.92

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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.