Home / 18,060.66-26,970.96-17,865.18

Finding the Fourth Proportional to 18,060.66, 26,970.96 and 17,865.18

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Solution

The fourth proportional to 18,060.66, 26,970.96 and 17,865.18 is: 26,679.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,060.66 : 26,970.96 = 17,865.18 : x
  2. Step 2: Convert to fraction form
    18,060.66/26,970.96 = 17,865.18/x
  3. Step 3: Cross multiply
    18,060.66x = 26,970.96 × 17,865.18
  4. Step 4: Simplify right side
    18,060.66x = 481,841,055.17
  5. Step 5: Solve for x
    x = 481,841,055.17/18,060.66
  6. Step 6: Final answer
    x = 26,679.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.