Home / 20,733.96-31,107-6,693.66

Finding the Fourth Proportional to 20,733.96, 31,107 and 6,693.66

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Solution

The fourth proportional to 20,733.96, 31,107 and 6,693.66 is: 10,042.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.96 : 31,107 = 6,693.66 : x
  2. Step 2: Convert to fraction form
    20,733.96/31,107 = 6,693.66/x
  3. Step 3: Cross multiply
    20,733.96x = 31,107 × 6,693.66
  4. Step 4: Simplify right side
    20,733.96x = 208,219,681.62
  5. Step 5: Solve for x
    x = 208,219,681.62/20,733.96
  6. Step 6: Final answer
    x = 10,042.45

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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.