Home / 15,706.06-21,674.76-8,632.66

Finding the Fourth Proportional to 15,706.06, 21,674.76 and 8,632.66

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Solution

The fourth proportional to 15,706.06, 21,674.76 and 8,632.66 is: 11,913.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,706.06 : 21,674.76 = 8,632.66 : x
  2. Step 2: Convert to fraction form
    15,706.06/21,674.76 = 8,632.66/x
  3. Step 3: Cross multiply
    15,706.06x = 21,674.76 × 8,632.66
  4. Step 4: Simplify right side
    15,706.06x = 187,110,833.66
  5. Step 5: Solve for x
    x = 187,110,833.66/15,706.06
  6. Step 6: Final answer
    x = 11,913.29

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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.