Home / 25,440.74-38,162.80-8,802.38

Finding the Fourth Proportional to 25,440.74, 38,162.80 and 8,802.38

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Solution

The fourth proportional to 25,440.74, 38,162.80 and 8,802.38 is: 13,204.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,440.74 : 38,162.80 = 8,802.38 : x
  2. Step 2: Convert to fraction form
    25,440.74/38,162.80 = 8,802.38/x
  3. Step 3: Cross multiply
    25,440.74x = 38,162.80 × 8,802.38
  4. Step 4: Simplify right side
    25,440.74x = 335,923,467.46
  5. Step 5: Solve for x
    x = 335,923,467.46/25,440.74
  6. Step 6: Final answer
    x = 13,204.15

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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.