Home / 35,111.97-52,666.34-12,923.78

Finding the Fourth Proportional to 35,111.97, 52,666.34 and 12,923.78

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Solution

The fourth proportional to 35,111.97, 52,666.34 and 12,923.78 is: 19,385.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,111.97 : 52,666.34 = 12,923.78 : x
  2. Step 2: Convert to fraction form
    35,111.97/52,666.34 = 12,923.78/x
  3. Step 3: Cross multiply
    35,111.97x = 52,666.34 × 12,923.78
  4. Step 4: Simplify right side
    35,111.97x = 680,647,863.61
  5. Step 5: Solve for x
    x = 680,647,863.61/35,111.97
  6. Step 6: Final answer
    x = 19,385.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.