Home / 18,070.46-27,108.72-6,223.76

Finding the Fourth Proportional to 18,070.46, 27,108.72 and 6,223.76

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Solution

The fourth proportional to 18,070.46, 27,108.72 and 6,223.76 is: 9,336.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.46 : 27,108.72 = 6,223.76 : x
  2. Step 2: Convert to fraction form
    18,070.46/27,108.72 = 6,223.76/x
  3. Step 3: Cross multiply
    18,070.46x = 27,108.72 × 6,223.76
  4. Step 4: Simplify right side
    18,070.46x = 168,718,031.64
  5. Step 5: Solve for x
    x = 168,718,031.64/18,070.46
  6. Step 6: Final answer
    x = 9,336.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.