Home / 31,266.11-43,154.82-19,322.25

Finding the Fourth Proportional to 31,266.11, 43,154.82 and 19,322.25

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Solution

The fourth proportional to 31,266.11, 43,154.82 and 19,322.25 is: 26,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,266.11 : 43,154.82 = 19,322.25 : x
  2. Step 2: Convert to fraction form
    31,266.11/43,154.82 = 19,322.25/x
  3. Step 3: Cross multiply
    31,266.11x = 43,154.82 × 19,322.25
  4. Step 4: Simplify right side
    31,266.11x = 833,848,220.75
  5. Step 5: Solve for x
    x = 833,848,220.75/31,266.11
  6. Step 6: Final answer
    x = 26,669.40

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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.