Home / 29,679.02-40,960.29-18,924.26

Finding the Fourth Proportional to 29,679.02, 40,960.29 and 18,924.26

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Solution

The fourth proportional to 29,679.02, 40,960.29 and 18,924.26 is: 26,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,679.02 : 40,960.29 = 18,924.26 : x
  2. Step 2: Convert to fraction form
    29,679.02/40,960.29 = 18,924.26/x
  3. Step 3: Cross multiply
    29,679.02x = 40,960.29 × 18,924.26
  4. Step 4: Simplify right side
    29,679.02x = 775,143,177.64
  5. Step 5: Solve for x
    x = 775,143,177.64/29,679.02
  6. Step 6: Final answer
    x = 26,117.55

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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.