Home / 21,370.96-32,025.25-15,127.58

Finding the Fourth Proportional to 21,370.96, 32,025.25 and 15,127.58

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Solution

The fourth proportional to 21,370.96, 32,025.25 and 15,127.58 is: 22,669.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,370.96 : 32,025.25 = 15,127.58 : x
  2. Step 2: Convert to fraction form
    21,370.96/32,025.25 = 15,127.58/x
  3. Step 3: Cross multiply
    21,370.96x = 32,025.25 × 15,127.58
  4. Step 4: Simplify right side
    21,370.96x = 484,464,531.40
  5. Step 5: Solve for x
    x = 484,464,531.40/21,370.96
  6. Step 6: Final answer
    x = 22,669.29

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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.