Home / 19,166.89-26,454.12-11,101.87

Finding the Fourth Proportional to 19,166.89, 26,454.12 and 11,101.87

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Solution

The fourth proportional to 19,166.89, 26,454.12 and 11,101.87 is: 15,322.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,166.89 : 26,454.12 = 11,101.87 : x
  2. Step 2: Convert to fraction form
    19,166.89/26,454.12 = 11,101.87/x
  3. Step 3: Cross multiply
    19,166.89x = 26,454.12 × 11,101.87
  4. Step 4: Simplify right side
    19,166.89x = 293,690,261.07
  5. Step 5: Solve for x
    x = 293,690,261.07/19,166.89
  6. Step 6: Final answer
    x = 15,322.79

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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.