Home / 23,078.28-31,846.86-13,009.08

Finding the Fourth Proportional to 23,078.28, 31,846.86 and 13,009.08

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Solution

The fourth proportional to 23,078.28, 31,846.86 and 13,009.08 is: 17,951.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,078.28 : 31,846.86 = 13,009.08 : x
  2. Step 2: Convert to fraction form
    23,078.28/31,846.86 = 13,009.08/x
  3. Step 3: Cross multiply
    23,078.28x = 31,846.86 × 13,009.08
  4. Step 4: Simplify right side
    23,078.28x = 414,298,349.49
  5. Step 5: Solve for x
    x = 414,298,349.49/23,078.28
  6. Step 6: Final answer
    x = 17,951.87

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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.