Home / 35,120.79-52,686.42-12,932.46

Finding the Fourth Proportional to 35,120.79, 52,686.42 and 12,932.46

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Solution

The fourth proportional to 35,120.79, 52,686.42 and 12,932.46 is: 19,400.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,120.79 : 52,686.42 = 12,932.46 : x
  2. Step 2: Convert to fraction form
    35,120.79/52,686.42 = 12,932.46/x
  3. Step 3: Cross multiply
    35,120.79x = 52,686.42 × 12,932.46
  4. Step 4: Simplify right side
    35,120.79x = 681,365,019.19
  5. Step 5: Solve for x
    x = 681,365,019.19/35,120.79
  6. Step 6: Final answer
    x = 19,400.62

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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.