Home / 22,686.51-34,033.40-7,899.63

Finding the Fourth Proportional to 22,686.51, 34,033.40 and 7,899.63

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Solution

The fourth proportional to 22,686.51, 34,033.40 and 7,899.63 is: 11,850.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,686.51 : 34,033.40 = 7,899.63 : x
  2. Step 2: Convert to fraction form
    22,686.51/34,033.40 = 7,899.63/x
  3. Step 3: Cross multiply
    22,686.51x = 34,033.40 × 7,899.63
  4. Step 4: Simplify right side
    22,686.51x = 268,851,228.14
  5. Step 5: Solve for x
    x = 268,851,228.14/22,686.51
  6. Step 6: Final answer
    x = 11,850.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.