Home / 13,190.56-19,778.55-10,029.14

Finding the Fourth Proportional to 13,190.56, 19,778.55 and 10,029.14

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Solution

The fourth proportional to 13,190.56, 19,778.55 and 10,029.14 is: 15,038.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.56 : 19,778.55 = 10,029.14 : x
  2. Step 2: Convert to fraction form
    13,190.56/19,778.55 = 10,029.14/x
  3. Step 3: Cross multiply
    13,190.56x = 19,778.55 × 10,029.14
  4. Step 4: Simplify right side
    13,190.56x = 198,361,846.95
  5. Step 5: Solve for x
    x = 198,361,846.95/13,190.56
  6. Step 6: Final answer
    x = 15,038.17

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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.