Home / 18,023.98-27,033.84-5,543.98

Finding the Fourth Proportional to 18,023.98, 27,033.84 and 5,543.98

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Solution

The fourth proportional to 18,023.98, 27,033.84 and 5,543.98 is: 8,315.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,023.98 : 27,033.84 = 5,543.98 : x
  2. Step 2: Convert to fraction form
    18,023.98/27,033.84 = 5,543.98/x
  3. Step 3: Cross multiply
    18,023.98x = 27,033.84 × 5,543.98
  4. Step 4: Simplify right side
    18,023.98x = 149,875,068.28
  5. Step 5: Solve for x
    x = 149,875,068.28/18,023.98
  6. Step 6: Final answer
    x = 8,315.31

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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.