Home / 20,754.10-31,124.52-6,711.16

Finding the Fourth Proportional to 20,754.10, 31,124.52 and 6,711.16

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Solution

The fourth proportional to 20,754.10, 31,124.52 and 6,711.16 is: 10,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,754.10 : 31,124.52 = 6,711.16 : x
  2. Step 2: Convert to fraction form
    20,754.10/31,124.52 = 6,711.16/x
  3. Step 3: Cross multiply
    20,754.10x = 31,124.52 × 6,711.16
  4. Step 4: Simplify right side
    20,754.10x = 208,881,633.64
  5. Step 5: Solve for x
    x = 208,881,633.64/20,754.10
  6. Step 6: Final answer
    x = 10,064.60

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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.