Home / 15,007.41-20,709.27-8,292.92

Finding the Fourth Proportional to 15,007.41, 20,709.27 and 8,292.92

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Solution

The fourth proportional to 15,007.41, 20,709.27 and 8,292.92 is: 11,443.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,007.41 : 20,709.27 = 8,292.92 : x
  2. Step 2: Convert to fraction form
    15,007.41/20,709.27 = 8,292.92/x
  3. Step 3: Cross multiply
    15,007.41x = 20,709.27 × 8,292.92
  4. Step 4: Simplify right side
    15,007.41x = 171,740,215.82
  5. Step 5: Solve for x
    x = 171,740,215.82/15,007.41
  6. Step 6: Final answer
    x = 11,443.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.