Home / 15,827.06-21,841.58-8,753.47

Finding the Fourth Proportional to 15,827.06, 21,841.58 and 8,753.47

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Solution

The fourth proportional to 15,827.06, 21,841.58 and 8,753.47 is: 12,079.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,827.06 : 21,841.58 = 8,753.47 : x
  2. Step 2: Convert to fraction form
    15,827.06/21,841.58 = 8,753.47/x
  3. Step 3: Cross multiply
    15,827.06x = 21,841.58 × 8,753.47
  4. Step 4: Simplify right side
    15,827.06x = 191,189,582.56
  5. Step 5: Solve for x
    x = 191,189,582.56/15,827.06
  6. Step 6: Final answer
    x = 12,079.92

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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.