Home / 29,700.15-40,986.57-16,955.07

Finding the Fourth Proportional to 29,700.15, 40,986.57 and 16,955.07

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Solution

The fourth proportional to 29,700.15, 40,986.57 and 16,955.07 is: 23,398.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,700.15 : 40,986.57 = 16,955.07 : x
  2. Step 2: Convert to fraction form
    29,700.15/40,986.57 = 16,955.07/x
  3. Step 3: Cross multiply
    29,700.15x = 40,986.57 × 16,955.07
  4. Step 4: Simplify right side
    29,700.15x = 694,930,160.78
  5. Step 5: Solve for x
    x = 694,930,160.78/29,700.15
  6. Step 6: Final answer
    x = 23,398.20

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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.