Home / 15,210.30-22,815.51-4,680.25

Finding the Fourth Proportional to 15,210.30, 22,815.51 and 4,680.25

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Solution

The fourth proportional to 15,210.30, 22,815.51 and 4,680.25 is: 7,020.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,210.30 : 22,815.51 = 4,680.25 : x
  2. Step 2: Convert to fraction form
    15,210.30/22,815.51 = 4,680.25/x
  3. Step 3: Cross multiply
    15,210.30x = 22,815.51 × 4,680.25
  4. Step 4: Simplify right side
    15,210.30x = 106,782,290.68
  5. Step 5: Solve for x
    x = 106,782,290.68/15,210.30
  6. Step 6: Final answer
    x = 7,020.39

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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.