Home / 25,966.40-38,949.60-16,116.80

Finding the Fourth Proportional to 25,966.40, 38,949.60 and 16,116.80

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Solution

The fourth proportional to 25,966.40, 38,949.60 and 16,116.80 is: 24,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,966.40 : 38,949.60 = 16,116.80 : x
  2. Step 2: Convert to fraction form
    25,966.40/38,949.60 = 16,116.80/x
  3. Step 3: Cross multiply
    25,966.40x = 38,949.60 × 16,116.80
  4. Step 4: Simplify right side
    25,966.40x = 627,742,913.28
  5. Step 5: Solve for x
    x = 627,742,913.28/25,966.40
  6. Step 6: Final answer
    x = 24,175.20

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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.