Home / 15,038.59-20,752.73-8,324.23

Finding the Fourth Proportional to 15,038.59, 20,752.73 and 8,324.23

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Solution

The fourth proportional to 15,038.59, 20,752.73 and 8,324.23 is: 11,487.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,038.59 : 20,752.73 = 8,324.23 : x
  2. Step 2: Convert to fraction form
    15,038.59/20,752.73 = 8,324.23/x
  3. Step 3: Cross multiply
    15,038.59x = 20,752.73 × 8,324.23
  4. Step 4: Simplify right side
    15,038.59x = 172,750,456.03
  5. Step 5: Solve for x
    x = 172,750,456.03/15,038.59
  6. Step 6: Final answer
    x = 11,487.14

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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.