Home / 12,566.06-18,937.34-11,318.21

Finding the Fourth Proportional to 12,566.06, 18,937.34 and 11,318.21

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Solution

The fourth proportional to 12,566.06, 18,937.34 and 11,318.21 is: 17,056.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,566.06 : 18,937.34 = 11,318.21 : x
  2. Step 2: Convert to fraction form
    12,566.06/18,937.34 = 11,318.21/x
  3. Step 3: Cross multiply
    12,566.06x = 18,937.34 × 11,318.21
  4. Step 4: Simplify right side
    12,566.06x = 214,336,781.71
  5. Step 5: Solve for x
    x = 214,336,781.71/12,566.06
  6. Step 6: Final answer
    x = 17,056.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.