Home / 25,364.97-38,039.76-8,715.42

Finding the Fourth Proportional to 25,364.97, 38,039.76 and 8,715.42

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Solution

The fourth proportional to 25,364.97, 38,039.76 and 8,715.42 is: 13,070.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,364.97 : 38,039.76 = 8,715.42 : x
  2. Step 2: Convert to fraction form
    25,364.97/38,039.76 = 8,715.42/x
  3. Step 3: Cross multiply
    25,364.97x = 38,039.76 × 8,715.42
  4. Step 4: Simplify right side
    25,364.97x = 331,532,485.10
  5. Step 5: Solve for x
    x = 331,532,485.10/25,364.97
  6. Step 6: Final answer
    x = 13,070.49

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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.