Home / 17,951.02-26,919.15-8,087.65

Finding the Fourth Proportional to 17,951.02, 26,919.15 and 8,087.65

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Solution

The fourth proportional to 17,951.02, 26,919.15 and 8,087.65 is: 12,128.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,951.02 : 26,919.15 = 8,087.65 : x
  2. Step 2: Convert to fraction form
    17,951.02/26,919.15 = 8,087.65/x
  3. Step 3: Cross multiply
    17,951.02x = 26,919.15 × 8,087.65
  4. Step 4: Simplify right side
    17,951.02x = 217,712,663.50
  5. Step 5: Solve for x
    x = 217,712,663.50/17,951.02
  6. Step 6: Final answer
    x = 12,128.15

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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.