Home / 12,585.49-18,881.44-3,701.14

Finding the Fourth Proportional to 12,585.49, 18,881.44 and 3,701.14

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Solution

The fourth proportional to 12,585.49, 18,881.44 and 3,701.14 is: 5,552.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585.49 : 18,881.44 = 3,701.14 : x
  2. Step 2: Convert to fraction form
    12,585.49/18,881.44 = 3,701.14/x
  3. Step 3: Cross multiply
    12,585.49x = 18,881.44 × 3,701.14
  4. Step 4: Simplify right side
    12,585.49x = 69,882,798.72
  5. Step 5: Solve for x
    x = 69,882,798.72/12,585.49
  6. Step 6: Final answer
    x = 5,552.65

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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.