Home / 23,078.50-34,621.10-7,278.19

Finding the Fourth Proportional to 23,078.50, 34,621.10 and 7,278.19

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Solution

The fourth proportional to 23,078.50, 34,621.10 and 7,278.19 is: 10,918.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,078.50 : 34,621.10 = 7,278.19 : x
  2. Step 2: Convert to fraction form
    23,078.50/34,621.10 = 7,278.19/x
  3. Step 3: Cross multiply
    23,078.50x = 34,621.10 × 7,278.19
  4. Step 4: Simplify right side
    23,078.50x = 251,978,943.81
  5. Step 5: Solve for x
    x = 251,978,943.81/23,078.50
  6. Step 6: Final answer
    x = 10,918.34

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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.