Home / 22,260.32-30,555.55-19,686.04

Finding the Fourth Proportional to 22,260.32, 30,555.55 and 19,686.04

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Solution

The fourth proportional to 22,260.32, 30,555.55 and 19,686.04 is: 27,021.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,260.32 : 30,555.55 = 19,686.04 : x
  2. Step 2: Convert to fraction form
    22,260.32/30,555.55 = 19,686.04/x
  3. Step 3: Cross multiply
    22,260.32x = 30,555.55 × 19,686.04
  4. Step 4: Simplify right side
    22,260.32x = 601,517,779.52
  5. Step 5: Solve for x
    x = 601,517,779.52/22,260.32
  6. Step 6: Final answer
    x = 27,021.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.