Home / 15,044.04-20,760.50-8,329.64

Finding the Fourth Proportional to 15,044.04, 20,760.50 and 8,329.64

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Solution

The fourth proportional to 15,044.04, 20,760.50 and 8,329.64 is: 11,494.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,044.04 : 20,760.50 = 8,329.64 : x
  2. Step 2: Convert to fraction form
    15,044.04/20,760.50 = 8,329.64/x
  3. Step 3: Cross multiply
    15,044.04x = 20,760.50 × 8,329.64
  4. Step 4: Simplify right side
    15,044.04x = 172,927,345.77
  5. Step 5: Solve for x
    x = 172,927,345.77/15,044.04
  6. Step 6: Final answer
    x = 11,494.74

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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.