Home / 13,091.10-18,074.37-10,060.80

Finding the Fourth Proportional to 13,091.10, 18,074.37 and 10,060.80

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Solution

The fourth proportional to 13,091.10, 18,074.37 and 10,060.80 is: 13,890.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091.10 : 18,074.37 = 10,060.80 : x
  2. Step 2: Convert to fraction form
    13,091.10/18,074.37 = 10,060.80/x
  3. Step 3: Cross multiply
    13,091.10x = 18,074.37 × 10,060.80
  4. Step 4: Simplify right side
    13,091.10x = 181,842,621.70
  5. Step 5: Solve for x
    x = 181,842,621.70/13,091.10
  6. Step 6: Final answer
    x = 13,890.55

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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.