Home / 13,805.06-19,050.45-7,517.30

Finding the Fourth Proportional to 13,805.06, 19,050.45 and 7,517.30

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Solution

The fourth proportional to 13,805.06, 19,050.45 and 7,517.30 is: 10,373.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,805.06 : 19,050.45 = 7,517.30 : x
  2. Step 2: Convert to fraction form
    13,805.06/19,050.45 = 7,517.30/x
  3. Step 3: Cross multiply
    13,805.06x = 19,050.45 × 7,517.30
  4. Step 4: Simplify right side
    13,805.06x = 143,207,947.79
  5. Step 5: Solve for x
    x = 143,207,947.79/13,805.06
  6. Step 6: Final answer
    x = 10,373.58

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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.