Home / 29,302.51-40,399.41-18,673.69

Finding the Fourth Proportional to 29,302.51, 40,399.41 and 18,673.69

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Solution

The fourth proportional to 29,302.51, 40,399.41 and 18,673.69 is: 25,745.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,302.51 : 40,399.41 = 18,673.69 : x
  2. Step 2: Convert to fraction form
    29,302.51/40,399.41 = 18,673.69/x
  3. Step 3: Cross multiply
    29,302.51x = 40,399.41 × 18,673.69
  4. Step 4: Simplify right side
    29,302.51x = 754,406,058.52
  5. Step 5: Solve for x
    x = 754,406,058.52/29,302.51
  6. Step 6: Final answer
    x = 25,745.44

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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.