Home / 22,084.65-30,461.49-15,275.70

Finding the Fourth Proportional to 22,084.65, 30,461.49 and 15,275.70

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Solution

The fourth proportional to 22,084.65, 30,461.49 and 15,275.70 is: 21,069.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,084.65 : 30,461.49 = 15,275.70 : x
  2. Step 2: Convert to fraction form
    22,084.65/30,461.49 = 15,275.70/x
  3. Step 3: Cross multiply
    22,084.65x = 30,461.49 × 15,275.70
  4. Step 4: Simplify right side
    22,084.65x = 465,320,582.79
  5. Step 5: Solve for x
    x = 465,320,582.79/22,084.65
  6. Step 6: Final answer
    x = 21,069.86

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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.