Home / 25,145.12-37,728.60-9,567.20

Finding the Fourth Proportional to 25,145.12, 37,728.60 and 9,567.20

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Solution

The fourth proportional to 25,145.12, 37,728.60 and 9,567.20 is: 14,354.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,145.12 : 37,728.60 = 9,567.20 : x
  2. Step 2: Convert to fraction form
    25,145.12/37,728.60 = 9,567.20/x
  3. Step 3: Cross multiply
    25,145.12x = 37,728.60 × 9,567.20
  4. Step 4: Simplify right side
    25,145.12x = 360,957,061.92
  5. Step 5: Solve for x
    x = 360,957,061.92/25,145.12
  6. Step 6: Final answer
    x = 14,354.95

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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.