Home / 20,701.52-31,051.56-5,910.44

Finding the Fourth Proportional to 20,701.52, 31,051.56 and 5,910.44

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Solution

The fourth proportional to 20,701.52, 31,051.56 and 5,910.44 is: 8,865.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,701.52 : 31,051.56 = 5,910.44 : x
  2. Step 2: Convert to fraction form
    20,701.52/31,051.56 = 5,910.44/x
  3. Step 3: Cross multiply
    20,701.52x = 31,051.56 × 5,910.44
  4. Step 4: Simplify right side
    20,701.52x = 183,528,382.29
  5. Step 5: Solve for x
    x = 183,528,382.29/20,701.52
  6. Step 6: Final answer
    x = 8,865.45

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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.