Home / 25,559.59-35,273.85-15,488.91

Finding the Fourth Proportional to 25,559.59, 35,273.85 and 15,488.91

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Solution

The fourth proportional to 25,559.59, 35,273.85 and 15,488.91 is: 21,375.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,559.59 : 35,273.85 = 15,488.91 : x
  2. Step 2: Convert to fraction form
    25,559.59/35,273.85 = 15,488.91/x
  3. Step 3: Cross multiply
    25,559.59x = 35,273.85 × 15,488.91
  4. Step 4: Simplify right side
    25,559.59x = 546,353,410.56
  5. Step 5: Solve for x
    x = 546,353,410.56/25,559.59
  6. Step 6: Final answer
    x = 21,375.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.