Home / 34,525.26-47,654.80-20,382.66

Finding the Fourth Proportional to 34,525.26, 47,654.80 and 20,382.66

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Solution

The fourth proportional to 34,525.26, 47,654.80 and 20,382.66 is: 28,133.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,525.26 : 47,654.80 = 20,382.66 : x
  2. Step 2: Convert to fraction form
    34,525.26/47,654.80 = 20,382.66/x
  3. Step 3: Cross multiply
    34,525.26x = 47,654.80 × 20,382.66
  4. Step 4: Simplify right side
    34,525.26x = 971,331,534.81
  5. Step 5: Solve for x
    x = 971,331,534.81/34,525.26
  6. Step 6: Final answer
    x = 28,133.94

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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.