Home / 13,164.93-19,726.23-10,518.66

Finding the Fourth Proportional to 13,164.93, 19,726.23 and 10,518.66

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Solution

The fourth proportional to 13,164.93, 19,726.23 and 10,518.66 is: 15,761.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164.93 : 19,726.23 = 10,518.66 : x
  2. Step 2: Convert to fraction form
    13,164.93/19,726.23 = 10,518.66/x
  3. Step 3: Cross multiply
    13,164.93x = 19,726.23 × 10,518.66
  4. Step 4: Simplify right side
    13,164.93x = 207,493,545.90
  5. Step 5: Solve for x
    x = 207,493,545.90/13,164.93
  6. Step 6: Final answer
    x = 15,761.08

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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.