Home / 25,699.60-38,560.44-9,071.76

Finding the Fourth Proportional to 25,699.60, 38,560.44 and 9,071.76

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Solution

The fourth proportional to 25,699.60, 38,560.44 and 9,071.76 is: 13,611.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,699.60 : 38,560.44 = 9,071.76 : x
  2. Step 2: Convert to fraction form
    25,699.60/38,560.44 = 9,071.76/x
  3. Step 3: Cross multiply
    25,699.60x = 38,560.44 × 9,071.76
  4. Step 4: Simplify right side
    25,699.60x = 349,811,057.17
  5. Step 5: Solve for x
    x = 349,811,057.17/25,699.60
  6. Step 6: Final answer
    x = 13,611.54

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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.