Home / 21,164.33-31,746.65-6,373.19

Finding the Fourth Proportional to 21,164.33, 31,746.65 and 6,373.19

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Solution

The fourth proportional to 21,164.33, 31,746.65 and 6,373.19 is: 9,559.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,164.33 : 31,746.65 = 6,373.19 : x
  2. Step 2: Convert to fraction form
    21,164.33/31,746.65 = 6,373.19/x
  3. Step 3: Cross multiply
    21,164.33x = 31,746.65 × 6,373.19
  4. Step 4: Simplify right side
    21,164.33x = 202,327,241.71
  5. Step 5: Solve for x
    x = 202,327,241.71/21,164.33
  6. Step 6: Final answer
    x = 9,559.82

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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.