Home / 18,730.04-25,850.82-11,176.88

Finding the Fourth Proportional to 18,730.04, 25,850.82 and 11,176.88

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Solution

The fourth proportional to 18,730.04, 25,850.82 and 11,176.88 is: 15,426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.04 : 25,850.82 = 11,176.88 : x
  2. Step 2: Convert to fraction form
    18,730.04/25,850.82 = 11,176.88/x
  3. Step 3: Cross multiply
    18,730.04x = 25,850.82 × 11,176.88
  4. Step 4: Simplify right side
    18,730.04x = 288,931,513.04
  5. Step 5: Solve for x
    x = 288,931,513.04/18,730.04
  6. Step 6: Final answer
    x = 15,426.10

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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.