Home / 18,900.06-26,082.06-11,352.84

Finding the Fourth Proportional to 18,900.06, 26,082.06 and 11,352.84

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Solution

The fourth proportional to 18,900.06, 26,082.06 and 11,352.84 is: 15,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,900.06 : 26,082.06 = 11,352.84 : x
  2. Step 2: Convert to fraction form
    18,900.06/26,082.06 = 11,352.84/x
  3. Step 3: Cross multiply
    18,900.06x = 26,082.06 × 11,352.84
  4. Step 4: Simplify right side
    18,900.06x = 296,105,454.05
  5. Step 5: Solve for x
    x = 296,105,454.05/18,900.06
  6. Step 6: Final answer
    x = 15,666.91

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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.