Home / 25,878.60-35,702.10-16,315.34

Finding the Fourth Proportional to 25,878.60, 35,702.10 and 16,315.34

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Solution

The fourth proportional to 25,878.60, 35,702.10 and 16,315.34 is: 22,508.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,878.60 : 35,702.10 = 16,315.34 : x
  2. Step 2: Convert to fraction form
    25,878.60/35,702.10 = 16,315.34/x
  3. Step 3: Cross multiply
    25,878.60x = 35,702.10 × 16,315.34
  4. Step 4: Simplify right side
    25,878.60x = 582,491,900.21
  5. Step 5: Solve for x
    x = 582,491,900.21/25,878.60
  6. Step 6: Final answer
    x = 22,508.63

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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.