Home / 25,856.84-38,811.18-17,422.31

Finding the Fourth Proportional to 25,856.84, 38,811.18 and 17,422.31

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Solution

The fourth proportional to 25,856.84, 38,811.18 and 17,422.31 is: 26,150.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,856.84 : 38,811.18 = 17,422.31 : x
  2. Step 2: Convert to fraction form
    25,856.84/38,811.18 = 17,422.31/x
  3. Step 3: Cross multiply
    25,856.84x = 38,811.18 × 17,422.31
  4. Step 4: Simplify right side
    25,856.84x = 676,180,409.43
  5. Step 5: Solve for x
    x = 676,180,409.43/25,856.84
  6. Step 6: Final answer
    x = 26,150.93

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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.