Home / 25,152.40-37,728.60-22,430.80

Finding the Fourth Proportional to 25,152.40, 37,728.60 and 22,430.80

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Solution

The fourth proportional to 25,152.40, 37,728.60 and 22,430.80 is: 33,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,152.40 : 37,728.60 = 22,430.80 : x
  2. Step 2: Convert to fraction form
    25,152.40/37,728.60 = 22,430.80/x
  3. Step 3: Cross multiply
    25,152.40x = 37,728.60 × 22,430.80
  4. Step 4: Simplify right side
    25,152.40x = 846,282,680.88
  5. Step 5: Solve for x
    x = 846,282,680.88/25,152.40
  6. Step 6: Final answer
    x = 33,646.20

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Similar ratio
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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.