Home / 22,025.44-30,387.70-12,587.32

Finding the Fourth Proportional to 22,025.44, 30,387.70 and 12,587.32

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Solution

The fourth proportional to 22,025.44, 30,387.70 and 12,587.32 is: 17,366.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,025.44 : 30,387.70 = 12,587.32 : x
  2. Step 2: Convert to fraction form
    22,025.44/30,387.70 = 12,587.32/x
  3. Step 3: Cross multiply
    22,025.44x = 30,387.70 × 12,587.32
  4. Step 4: Simplify right side
    22,025.44x = 382,499,703.96
  5. Step 5: Solve for x
    x = 382,499,703.96/22,025.44
  6. Step 6: Final answer
    x = 17,366.27

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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.