Home / 25,844.68-38,762.11-7,120.05

Finding the Fourth Proportional to 25,844.68, 38,762.11 and 7,120.05

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Solution

The fourth proportional to 25,844.68, 38,762.11 and 7,120.05 is: 10,678.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,844.68 : 38,762.11 = 7,120.05 : x
  2. Step 2: Convert to fraction form
    25,844.68/38,762.11 = 7,120.05/x
  3. Step 3: Cross multiply
    25,844.68x = 38,762.11 × 7,120.05
  4. Step 4: Simplify right side
    25,844.68x = 275,988,161.31
  5. Step 5: Solve for x
    x = 275,988,161.31/25,844.68
  6. Step 6: Final answer
    x = 10,678.72

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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.