Home / 25,140.14-37,715.61-8,499.35

Finding the Fourth Proportional to 25,140.14, 37,715.61 and 8,499.35

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Solution

The fourth proportional to 25,140.14, 37,715.61 and 8,499.35 is: 12,750.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,140.14 : 37,715.61 = 8,499.35 : x
  2. Step 2: Convert to fraction form
    25,140.14/37,715.61 = 8,499.35/x
  3. Step 3: Cross multiply
    25,140.14x = 37,715.61 × 8,499.35
  4. Step 4: Simplify right side
    25,140.14x = 320,558,169.85
  5. Step 5: Solve for x
    x = 320,558,169.85/25,140.14
  6. Step 6: Final answer
    x = 12,750.85

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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.