Home / 25,483.04-38,209.68-9,689.12

Finding the Fourth Proportional to 25,483.04, 38,209.68 and 9,689.12

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Solution

The fourth proportional to 25,483.04, 38,209.68 and 9,689.12 is: 14,528.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,483.04 : 38,209.68 = 9,689.12 : x
  2. Step 2: Convert to fraction form
    25,483.04/38,209.68 = 9,689.12/x
  3. Step 3: Cross multiply
    25,483.04x = 38,209.68 × 9,689.12
  4. Step 4: Simplify right side
    25,483.04x = 370,218,174.68
  5. Step 5: Solve for x
    x = 370,218,174.68/25,483.04
  6. Step 6: Final answer
    x = 14,528.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.