Home / 25,981.56-35,856.68-14,650.47

Finding the Fourth Proportional to 25,981.56, 35,856.68 and 14,650.47

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Solution

The fourth proportional to 25,981.56, 35,856.68 and 14,650.47 is: 20,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,981.56 : 35,856.68 = 14,650.47 : x
  2. Step 2: Convert to fraction form
    25,981.56/35,856.68 = 14,650.47/x
  3. Step 3: Cross multiply
    25,981.56x = 35,856.68 × 14,650.47
  4. Step 4: Simplify right side
    25,981.56x = 525,317,141.39
  5. Step 5: Solve for x
    x = 525,317,141.39/25,981.56
  6. Step 6: Final answer
    x = 20,218.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.