Home / 25,748.62-38,624.55-9,106.90

Finding the Fourth Proportional to 25,748.62, 38,624.55 and 9,106.90

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Solution

The fourth proportional to 25,748.62, 38,624.55 and 9,106.90 is: 13,660.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,748.62 : 38,624.55 = 9,106.90 : x
  2. Step 2: Convert to fraction form
    25,748.62/38,624.55 = 9,106.90/x
  3. Step 3: Cross multiply
    25,748.62x = 38,624.55 × 9,106.90
  4. Step 4: Simplify right side
    25,748.62x = 351,749,914.40
  5. Step 5: Solve for x
    x = 351,749,914.40/25,748.62
  6. Step 6: Final answer
    x = 13,660.92

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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.