Home / 15,976.54-22,047.77-8,806.71

Finding the Fourth Proportional to 15,976.54, 22,047.77 and 8,806.71

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Solution

The fourth proportional to 15,976.54, 22,047.77 and 8,806.71 is: 12,153.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,976.54 : 22,047.77 = 8,806.71 : x
  2. Step 2: Convert to fraction form
    15,976.54/22,047.77 = 8,806.71/x
  3. Step 3: Cross multiply
    15,976.54x = 22,047.77 × 8,806.71
  4. Step 4: Simplify right side
    15,976.54x = 194,168,316.54
  5. Step 5: Solve for x
    x = 194,168,316.54/15,976.54
  6. Step 6: Final answer
    x = 12,153.34

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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.