Home / 29,386.98-40,554.09-15,958.08

Finding the Fourth Proportional to 29,386.98, 40,554.09 and 15,958.08

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Solution

The fourth proportional to 29,386.98, 40,554.09 and 15,958.08 is: 22,022.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,386.98 : 40,554.09 = 15,958.08 : x
  2. Step 2: Convert to fraction form
    29,386.98/40,554.09 = 15,958.08/x
  3. Step 3: Cross multiply
    29,386.98x = 40,554.09 × 15,958.08
  4. Step 4: Simplify right side
    29,386.98x = 647,165,412.55
  5. Step 5: Solve for x
    x = 647,165,412.55/29,386.98
  6. Step 6: Final answer
    x = 22,022.18

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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.