Home / 15,029.52-20,741.31-8,224.00

Finding the Fourth Proportional to 15,029.52, 20,741.31 and 8,224.00

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Solution

The fourth proportional to 15,029.52, 20,741.31 and 8,224.00 is: 11,349.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,029.52 : 20,741.31 = 8,224.00 : x
  2. Step 2: Convert to fraction form
    15,029.52/20,741.31 = 8,224.00/x
  3. Step 3: Cross multiply
    15,029.52x = 20,741.31 × 8,224.00
  4. Step 4: Simplify right side
    15,029.52x = 170,576,598.26
  5. Step 5: Solve for x
    x = 170,576,598.26/15,029.52
  6. Step 6: Final answer
    x = 11,349.44

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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.