Home / 25,911.48-38,868.12-9,272.64

Finding the Fourth Proportional to 25,911.48, 38,868.12 and 9,272.64

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Solution

The fourth proportional to 25,911.48, 38,868.12 and 9,272.64 is: 13,909.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,911.48 : 38,868.12 = 9,272.64 : x
  2. Step 2: Convert to fraction form
    25,911.48/38,868.12 = 9,272.64/x
  3. Step 3: Cross multiply
    25,911.48x = 38,868.12 × 9,272.64
  4. Step 4: Simplify right side
    25,911.48x = 360,410,084.24
  5. Step 5: Solve for x
    x = 360,410,084.24/25,911.48
  6. Step 6: Final answer
    x = 13,909.28

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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.