Home / 25,875.20-38,818.20-14,772.80

Finding the Fourth Proportional to 25,875.20, 38,818.20 and 14,772.80

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Solution

The fourth proportional to 25,875.20, 38,818.20 and 14,772.80 is: 22,162.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,875.20 : 38,818.20 = 14,772.80 : x
  2. Step 2: Convert to fraction form
    25,875.20/38,818.20 = 14,772.80/x
  3. Step 3: Cross multiply
    25,875.20x = 38,818.20 × 14,772.80
  4. Step 4: Simplify right side
    25,875.20x = 573,453,504.96
  5. Step 5: Solve for x
    x = 573,453,504.96/25,875.20
  6. Step 6: Final answer
    x = 22,162.28

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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.