Home / 13,926.18-20,868.33-8,373.45

Finding the Fourth Proportional to 13,926.18, 20,868.33 and 8,373.45

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Solution

The fourth proportional to 13,926.18, 20,868.33 and 8,373.45 is: 12,547.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.18 : 20,868.33 = 8,373.45 : x
  2. Step 2: Convert to fraction form
    13,926.18/20,868.33 = 8,373.45/x
  3. Step 3: Cross multiply
    13,926.18x = 20,868.33 × 8,373.45
  4. Step 4: Simplify right side
    13,926.18x = 174,739,917.84
  5. Step 5: Solve for x
    x = 174,739,917.84/13,926.18
  6. Step 6: Final answer
    x = 12,547.58

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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.