Home / 25,574.11-38,343.24-9,778.50

Finding the Fourth Proportional to 25,574.11, 38,343.24 and 9,778.50

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Solution

The fourth proportional to 25,574.11, 38,343.24 and 9,778.50 is: 14,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,574.11 : 38,343.24 = 9,778.50 : x
  2. Step 2: Convert to fraction form
    25,574.11/38,343.24 = 9,778.50/x
  3. Step 3: Cross multiply
    25,574.11x = 38,343.24 × 9,778.50
  4. Step 4: Simplify right side
    25,574.11x = 374,939,372.34
  5. Step 5: Solve for x
    x = 374,939,372.34/25,574.11
  6. Step 6: Final answer
    x = 14,660.90

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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.