Home / 17,856.52-26,763.18-12,891.76

Finding the Fourth Proportional to 17,856.52, 26,763.18 and 12,891.76

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Solution

The fourth proportional to 17,856.52, 26,763.18 and 12,891.76 is: 19,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,856.52 : 26,763.18 = 12,891.76 : x
  2. Step 2: Convert to fraction form
    17,856.52/26,763.18 = 12,891.76/x
  3. Step 3: Cross multiply
    17,856.52x = 26,763.18 × 12,891.76
  4. Step 4: Simplify right side
    17,856.52x = 345,024,493.40
  5. Step 5: Solve for x
    x = 345,024,493.40/17,856.52
  6. Step 6: Final answer
    x = 19,322.05

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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.