Home / 13,841.61-19,104.56-8,801.92

Finding the Fourth Proportional to 13,841.61, 19,104.56 and 8,801.92

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Solution

The fourth proportional to 13,841.61, 19,104.56 and 8,801.92 is: 12,148.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.61 : 19,104.56 = 8,801.92 : x
  2. Step 2: Convert to fraction form
    13,841.61/19,104.56 = 8,801.92/x
  3. Step 3: Cross multiply
    13,841.61x = 19,104.56 × 8,801.92
  4. Step 4: Simplify right side
    13,841.61x = 168,156,808.76
  5. Step 5: Solve for x
    x = 168,156,808.76/13,841.61
  6. Step 6: Final answer
    x = 12,148.65

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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.