Home / 13,017.06-19,480.20-10,649.70

Finding the Fourth Proportional to 13,017.06, 19,480.20 and 10,649.70

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Solution

The fourth proportional to 13,017.06, 19,480.20 and 10,649.70 is: 15,937.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.06 : 19,480.20 = 10,649.70 : x
  2. Step 2: Convert to fraction form
    13,017.06/19,480.20 = 10,649.70/x
  3. Step 3: Cross multiply
    13,017.06x = 19,480.20 × 10,649.70
  4. Step 4: Simplify right side
    13,017.06x = 207,458,285.94
  5. Step 5: Solve for x
    x = 207,458,285.94/13,017.06
  6. Step 6: Final answer
    x = 15,937.41

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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.