Home / 18,561.06-25,617.98-11,011.58

Finding the Fourth Proportional to 18,561.06, 25,617.98 and 11,011.58

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Solution

The fourth proportional to 18,561.06, 25,617.98 and 11,011.58 is: 15,198.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561.06 : 25,617.98 = 11,011.58 : x
  2. Step 2: Convert to fraction form
    18,561.06/25,617.98 = 11,011.58/x
  3. Step 3: Cross multiply
    18,561.06x = 25,617.98 × 11,011.58
  4. Step 4: Simplify right side
    18,561.06x = 282,094,548.43
  5. Step 5: Solve for x
    x = 282,094,548.43/18,561.06
  6. Step 6: Final answer
    x = 15,198.19

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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.