Home / 13,760.84-18,988.86-8,095.82

Finding the Fourth Proportional to 13,760.84, 18,988.86 and 8,095.82

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Solution

The fourth proportional to 13,760.84, 18,988.86 and 8,095.82 is: 11,171.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760.84 : 18,988.86 = 8,095.82 : x
  2. Step 2: Convert to fraction form
    13,760.84/18,988.86 = 8,095.82/x
  3. Step 3: Cross multiply
    13,760.84x = 18,988.86 × 8,095.82
  4. Step 4: Simplify right side
    13,760.84x = 153,730,392.57
  5. Step 5: Solve for x
    x = 153,730,392.57/13,760.84
  6. Step 6: Final answer
    x = 11,171.58

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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.