Home / 25,962.40-38,943.60-16,112.80

Finding the Fourth Proportional to 25,962.40, 38,943.60 and 16,112.80

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Solution

The fourth proportional to 25,962.40, 38,943.60 and 16,112.80 is: 24,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,962.40 : 38,943.60 = 16,112.80 : x
  2. Step 2: Convert to fraction form
    25,962.40/38,943.60 = 16,112.80/x
  3. Step 3: Cross multiply
    25,962.40x = 38,943.60 × 16,112.80
  4. Step 4: Simplify right side
    25,962.40x = 627,490,438.08
  5. Step 5: Solve for x
    x = 627,490,438.08/25,962.40
  6. Step 6: Final answer
    x = 24,169.20

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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.