Home / 15,055.20-22,596.80-7,665.18

Finding the Fourth Proportional to 15,055.20, 22,596.80 and 7,665.18

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Solution

The fourth proportional to 15,055.20, 22,596.80 and 7,665.18 is: 11,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,055.20 : 22,596.80 = 7,665.18 : x
  2. Step 2: Convert to fraction form
    15,055.20/22,596.80 = 7,665.18/x
  3. Step 3: Cross multiply
    15,055.20x = 22,596.80 × 7,665.18
  4. Step 4: Simplify right side
    15,055.20x = 173,208,501.10
  5. Step 5: Solve for x
    x = 173,208,501.10/15,055.20
  6. Step 6: Final answer
    x = 11,504.90

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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.