Home / 25,158.79-37,737.78-6,438.66

Finding the Fourth Proportional to 25,158.79, 37,737.78 and 6,438.66

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Solution

The fourth proportional to 25,158.79, 37,737.78 and 6,438.66 is: 9,657.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,158.79 : 37,737.78 = 6,438.66 : x
  2. Step 2: Convert to fraction form
    25,158.79/37,737.78 = 6,438.66/x
  3. Step 3: Cross multiply
    25,158.79x = 37,737.78 × 6,438.66
  4. Step 4: Simplify right side
    25,158.79x = 242,980,734.57
  5. Step 5: Solve for x
    x = 242,980,734.57/25,158.79
  6. Step 6: Final answer
    x = 9,657.89

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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.