Home / 18,071.06-27,242.01-16,866.86

Finding the Fourth Proportional to 18,071.06, 27,242.01 and 16,866.86

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Solution

The fourth proportional to 18,071.06, 27,242.01 and 16,866.86 is: 25,426.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,071.06 : 27,242.01 = 16,866.86 : x
  2. Step 2: Convert to fraction form
    18,071.06/27,242.01 = 16,866.86/x
  3. Step 3: Cross multiply
    18,071.06x = 27,242.01 × 16,866.86
  4. Step 4: Simplify right side
    18,071.06x = 459,487,032.58
  5. Step 5: Solve for x
    x = 459,487,032.58/18,071.06
  6. Step 6: Final answer
    x = 25,426.69

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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.