Home / 25,249.27-37,880.38-7,719.05

Finding the Fourth Proportional to 25,249.27, 37,880.38 and 7,719.05

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Solution

The fourth proportional to 25,249.27, 37,880.38 and 7,719.05 is: 11,580.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,249.27 : 37,880.38 = 7,719.05 : x
  2. Step 2: Convert to fraction form
    25,249.27/37,880.38 = 7,719.05/x
  3. Step 3: Cross multiply
    25,249.27x = 37,880.38 × 7,719.05
  4. Step 4: Simplify right side
    25,249.27x = 292,400,547.24
  5. Step 5: Solve for x
    x = 292,400,547.24/25,249.27
  6. Step 6: Final answer
    x = 11,580.55

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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.