Home / 18,023.42-27,038.21-5,543.17

Finding the Fourth Proportional to 18,023.42, 27,038.21 and 5,543.17

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Solution

The fourth proportional to 18,023.42, 27,038.21 and 5,543.17 is: 8,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,023.42 : 27,038.21 = 5,543.17 : x
  2. Step 2: Convert to fraction form
    18,023.42/27,038.21 = 5,543.17/x
  3. Step 3: Cross multiply
    18,023.42x = 27,038.21 × 5,543.17
  4. Step 4: Simplify right side
    18,023.42x = 149,877,413.28
  5. Step 5: Solve for x
    x = 149,877,413.28/18,023.42
  6. Step 6: Final answer
    x = 8,315.70

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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.