Home / 25,436.48-38,155.12-6,718.43

Finding the Fourth Proportional to 25,436.48, 38,155.12 and 6,718.43

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Solution

The fourth proportional to 25,436.48, 38,155.12 and 6,718.43 is: 10,077.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,436.48 : 38,155.12 = 6,718.43 : x
  2. Step 2: Convert to fraction form
    25,436.48/38,155.12 = 6,718.43/x
  3. Step 3: Cross multiply
    25,436.48x = 38,155.12 × 6,718.43
  4. Step 4: Simplify right side
    25,436.48x = 256,342,581.45
  5. Step 5: Solve for x
    x = 256,342,581.45/25,436.48
  6. Step 6: Final answer
    x = 10,077.76

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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.