Home / 53,169.06-79,753.61-15,726.21

Finding the Fourth Proportional to 53,169.06, 79,753.61 and 15,726.21

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Solution

The fourth proportional to 53,169.06, 79,753.61 and 15,726.21 is: 23,589.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,169.06 : 79,753.61 = 15,726.21 : x
  2. Step 2: Convert to fraction form
    53,169.06/79,753.61 = 15,726.21/x
  3. Step 3: Cross multiply
    53,169.06x = 79,753.61 × 15,726.21
  4. Step 4: Simplify right side
    53,169.06x = 1,254,221,940.49
  5. Step 5: Solve for x
    x = 1,254,221,940.49/53,169.06
  6. Step 6: Final answer
    x = 23,589.32

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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.