Home / 22,260.06-30,714.66-13,763.16

Finding the Fourth Proportional to 22,260.06, 30,714.66 and 13,763.16

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Solution

The fourth proportional to 22,260.06, 30,714.66 and 13,763.16 is: 18,990.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,260.06 : 30,714.66 = 13,763.16 : x
  2. Step 2: Convert to fraction form
    22,260.06/30,714.66 = 13,763.16/x
  3. Step 3: Cross multiply
    22,260.06x = 30,714.66 × 13,763.16
  4. Step 4: Simplify right side
    22,260.06x = 422,730,779.93
  5. Step 5: Solve for x
    x = 422,730,779.93/22,260.06
  6. Step 6: Final answer
    x = 18,990.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.