Home / 25,479.52-38,222.70-7,951.12

Finding the Fourth Proportional to 25,479.52, 38,222.70 and 7,951.12

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Solution

The fourth proportional to 25,479.52, 38,222.70 and 7,951.12 is: 11,927.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,479.52 : 38,222.70 = 7,951.12 : x
  2. Step 2: Convert to fraction form
    25,479.52/38,222.70 = 7,951.12/x
  3. Step 3: Cross multiply
    25,479.52x = 38,222.70 × 7,951.12
  4. Step 4: Simplify right side
    25,479.52x = 303,913,274.42
  5. Step 5: Solve for x
    x = 303,913,274.42/25,479.52
  6. Step 6: Final answer
    x = 11,927.75

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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.