Home / 13,014.06-17,959.20-7,348.92

Finding the Fourth Proportional to 13,014.06, 17,959.20 and 7,348.92

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Solution

The fourth proportional to 13,014.06, 17,959.20 and 7,348.92 is: 10,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014.06 : 17,959.20 = 7,348.92 : x
  2. Step 2: Convert to fraction form
    13,014.06/17,959.20 = 7,348.92/x
  3. Step 3: Cross multiply
    13,014.06x = 17,959.20 × 7,348.92
  4. Step 4: Simplify right side
    13,014.06x = 131,980,724.06
  5. Step 5: Solve for x
    x = 131,980,724.06/13,014.06
  6. Step 6: Final answer
    x = 10,141.40

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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.