Home / 18,348.86-25,321.76-10,392.74

Finding the Fourth Proportional to 18,348.86, 25,321.76 and 10,392.74

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Solution

The fourth proportional to 18,348.86, 25,321.76 and 10,392.74 is: 14,342.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.86 : 25,321.76 = 10,392.74 : x
  2. Step 2: Convert to fraction form
    18,348.86/25,321.76 = 10,392.74/x
  3. Step 3: Cross multiply
    18,348.86x = 25,321.76 × 10,392.74
  4. Step 4: Simplify right side
    18,348.86x = 263,162,367.40
  5. Step 5: Solve for x
    x = 263,162,367.40/18,348.86
  6. Step 6: Final answer
    x = 14,342.16

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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.