Home / 12,736.66-17,545.22-10,842.18

Finding the Fourth Proportional to 12,736.66, 17,545.22 and 10,842.18

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Solution

The fourth proportional to 12,736.66, 17,545.22 and 10,842.18 is: 14,935.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.66 : 17,545.22 = 10,842.18 : x
  2. Step 2: Convert to fraction form
    12,736.66/17,545.22 = 10,842.18/x
  3. Step 3: Cross multiply
    12,736.66x = 17,545.22 × 10,842.18
  4. Step 4: Simplify right side
    12,736.66x = 190,228,433.38
  5. Step 5: Solve for x
    x = 190,228,433.38/12,736.66
  6. Step 6: Final answer
    x = 14,935.50

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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.