Home / 18,117.32-25,002.15-10,946.24

Finding the Fourth Proportional to 18,117.32, 25,002.15 and 10,946.24

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Solution

The fourth proportional to 18,117.32, 25,002.15 and 10,946.24 is: 15,105.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.32 : 25,002.15 = 10,946.24 : x
  2. Step 2: Convert to fraction form
    18,117.32/25,002.15 = 10,946.24/x
  3. Step 3: Cross multiply
    18,117.32x = 25,002.15 × 10,946.24
  4. Step 4: Simplify right side
    18,117.32x = 273,679,409.41
  5. Step 5: Solve for x
    x = 273,679,409.41/18,117.32
  6. Step 6: Final answer
    x = 15,105.96

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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.