Home / 18,310.08-27,461.52-5,159.04

Finding the Fourth Proportional to 18,310.08, 27,461.52 and 5,159.04

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Solution

The fourth proportional to 18,310.08, 27,461.52 and 5,159.04 is: 7,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310.08 : 27,461.52 = 5,159.04 : x
  2. Step 2: Convert to fraction form
    18,310.08/27,461.52 = 5,159.04/x
  3. Step 3: Cross multiply
    18,310.08x = 27,461.52 × 5,159.04
  4. Step 4: Simplify right side
    18,310.08x = 141,675,080.14
  5. Step 5: Solve for x
    x = 141,675,080.14/18,310.08
  6. Step 6: Final answer
    x = 7,737.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.