Home / 13,827.20-19,095.12-8,800.88

Finding the Fourth Proportional to 13,827.20, 19,095.12 and 8,800.88

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Solution

The fourth proportional to 13,827.20, 19,095.12 and 8,800.88 is: 12,153.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.20 : 19,095.12 = 8,800.88 : x
  2. Step 2: Convert to fraction form
    13,827.20/19,095.12 = 8,800.88/x
  3. Step 3: Cross multiply
    13,827.20x = 19,095.12 × 8,800.88
  4. Step 4: Simplify right side
    13,827.20x = 168,053,859.71
  5. Step 5: Solve for x
    x = 168,053,859.71/13,827.20
  6. Step 6: Final answer
    x = 12,153.86

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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.