Home / 18,377.04-25,344.18-12,088.20

Finding the Fourth Proportional to 18,377.04, 25,344.18 and 12,088.20

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Solution

The fourth proportional to 18,377.04, 25,344.18 and 12,088.20 is: 16,671.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.04 : 25,344.18 = 12,088.20 : x
  2. Step 2: Convert to fraction form
    18,377.04/25,344.18 = 12,088.20/x
  3. Step 3: Cross multiply
    18,377.04x = 25,344.18 × 12,088.20
  4. Step 4: Simplify right side
    18,377.04x = 306,365,516.68
  5. Step 5: Solve for x
    x = 306,365,516.68/18,377.04
  6. Step 6: Final answer
    x = 16,671.10

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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.