Home / 18,440.52-25,444.68-10,479.84

Finding the Fourth Proportional to 18,440.52, 25,444.68 and 10,479.84

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Solution

The fourth proportional to 18,440.52, 25,444.68 and 10,479.84 is: 14,460.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.52 : 25,444.68 = 10,479.84 : x
  2. Step 2: Convert to fraction form
    18,440.52/25,444.68 = 10,479.84/x
  3. Step 3: Cross multiply
    18,440.52x = 25,444.68 × 10,479.84
  4. Step 4: Simplify right side
    18,440.52x = 266,656,175.25
  5. Step 5: Solve for x
    x = 266,656,175.25/18,440.52
  6. Step 6: Final answer
    x = 14,460.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.