Home / 18,555.48-27,840.33-11,165.16

Finding the Fourth Proportional to 18,555.48, 27,840.33 and 11,165.16

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Solution

The fourth proportional to 18,555.48, 27,840.33 and 11,165.16 is: 16,752.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555.48 : 27,840.33 = 11,165.16 : x
  2. Step 2: Convert to fraction form
    18,555.48/27,840.33 = 11,165.16/x
  3. Step 3: Cross multiply
    18,555.48x = 27,840.33 × 11,165.16
  4. Step 4: Simplify right side
    18,555.48x = 310,841,738.90
  5. Step 5: Solve for x
    x = 310,841,738.90/18,555.48
  6. Step 6: Final answer
    x = 16,752.02

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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.