Home / 23,190.68-31,990.47-14,677.22

Finding the Fourth Proportional to 23,190.68, 31,990.47 and 14,677.22

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Solution

The fourth proportional to 23,190.68, 31,990.47 and 14,677.22 is: 20,246.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,190.68 : 31,990.47 = 14,677.22 : x
  2. Step 2: Convert to fraction form
    23,190.68/31,990.47 = 14,677.22/x
  3. Step 3: Cross multiply
    23,190.68x = 31,990.47 × 14,677.22
  4. Step 4: Simplify right side
    23,190.68x = 469,531,166.09
  5. Step 5: Solve for x
    x = 469,531,166.09/23,190.68
  6. Step 6: Final answer
    x = 20,246.55

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Double scale
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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.