Home / 15,976.89-22,048.07-9,266.40

Finding the Fourth Proportional to 15,976.89, 22,048.07 and 9,266.40

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Solution

The fourth proportional to 15,976.89, 22,048.07 and 9,266.40 is: 12,787.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,976.89 : 22,048.07 = 9,266.40 : x
  2. Step 2: Convert to fraction form
    15,976.89/22,048.07 = 9,266.40/x
  3. Step 3: Cross multiply
    15,976.89x = 22,048.07 × 9,266.40
  4. Step 4: Simplify right side
    15,976.89x = 204,306,189.52
  5. Step 5: Solve for x
    x = 204,306,189.52/15,976.89
  6. Step 6: Final answer
    x = 12,787.61

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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.