Home / 17,240.86-25,856.28-7,875.91

Finding the Fourth Proportional to 17,240.86, 25,856.28 and 7,875.91

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Solution

The fourth proportional to 17,240.86, 25,856.28 and 7,875.91 is: 11,811.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,240.86 : 25,856.28 = 7,875.91 : x
  2. Step 2: Convert to fraction form
    17,240.86/25,856.28 = 7,875.91/x
  3. Step 3: Cross multiply
    17,240.86x = 25,856.28 × 7,875.91
  4. Step 4: Simplify right side
    17,240.86x = 203,641,734.21
  5. Step 5: Solve for x
    x = 203,641,734.21/17,240.86
  6. Step 6: Final answer
    x = 11,811.58

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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.