Home / 25,861.38-38,803.59-13,546.50

Finding the Fourth Proportional to 25,861.38, 38,803.59 and 13,546.50

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Solution

The fourth proportional to 25,861.38, 38,803.59 and 13,546.50 is: 20,325.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,861.38 : 38,803.59 = 13,546.50 : x
  2. Step 2: Convert to fraction form
    25,861.38/38,803.59 = 13,546.50/x
  3. Step 3: Cross multiply
    25,861.38x = 38,803.59 × 13,546.50
  4. Step 4: Simplify right side
    25,861.38x = 525,652,831.94
  5. Step 5: Solve for x
    x = 525,652,831.94/25,861.38
  6. Step 6: Final answer
    x = 20,325.78

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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.