Home / 25,341.26-38,012.84-8,712.78

Finding the Fourth Proportional to 25,341.26, 38,012.84 and 8,712.78

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Solution

The fourth proportional to 25,341.26, 38,012.84 and 8,712.78 is: 13,069.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,341.26 : 38,012.84 = 8,712.78 : x
  2. Step 2: Convert to fraction form
    25,341.26/38,012.84 = 8,712.78/x
  3. Step 3: Cross multiply
    25,341.26x = 38,012.84 × 8,712.78
  4. Step 4: Simplify right side
    25,341.26x = 331,197,512.10
  5. Step 5: Solve for x
    x = 331,197,512.10/25,341.26
  6. Step 6: Final answer
    x = 13,069.50

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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.