Home / 18,479.60-25,503.36-10,524.32

Finding the Fourth Proportional to 18,479.60, 25,503.36 and 10,524.32

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Solution

The fourth proportional to 18,479.60, 25,503.36 and 10,524.32 is: 14,524.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,479.60 : 25,503.36 = 10,524.32 : x
  2. Step 2: Convert to fraction form
    18,479.60/25,503.36 = 10,524.32/x
  3. Step 3: Cross multiply
    18,479.60x = 25,503.36 × 10,524.32
  4. Step 4: Simplify right side
    18,479.60x = 268,405,521.72
  5. Step 5: Solve for x
    x = 268,405,521.72/18,479.60
  6. Step 6: Final answer
    x = 14,524.42

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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.