Home / 29,265.82-40,386.94-15,837.07

Finding the Fourth Proportional to 29,265.82, 40,386.94 and 15,837.07

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Solution

The fourth proportional to 29,265.82, 40,386.94 and 15,837.07 is: 21,855.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,265.82 : 40,386.94 = 15,837.07 : x
  2. Step 2: Convert to fraction form
    29,265.82/40,386.94 = 15,837.07/x
  3. Step 3: Cross multiply
    29,265.82x = 40,386.94 × 15,837.07
  4. Step 4: Simplify right side
    29,265.82x = 639,610,797.84
  5. Step 5: Solve for x
    x = 639,610,797.84/29,265.82
  6. Step 6: Final answer
    x = 21,855.22

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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.