Home / 15,827.34-21,841.52-8,753.60

Finding the Fourth Proportional to 15,827.34, 21,841.52 and 8,753.60

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Solution

The fourth proportional to 15,827.34, 21,841.52 and 8,753.60 is: 12,079.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,827.34 : 21,841.52 = 8,753.60 : x
  2. Step 2: Convert to fraction form
    15,827.34/21,841.52 = 8,753.60/x
  3. Step 3: Cross multiply
    15,827.34x = 21,841.52 × 8,753.60
  4. Step 4: Simplify right side
    15,827.34x = 191,191,929.47
  5. Step 5: Solve for x
    x = 191,191,929.47/15,827.34
  6. Step 6: Final answer
    x = 12,079.85

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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.