Home / 13,482.42-20,223.72-4,717.38

Finding the Fourth Proportional to 13,482.42, 20,223.72 and 4,717.38

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Solution

The fourth proportional to 13,482.42, 20,223.72 and 4,717.38 is: 7,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.42 : 20,223.72 = 4,717.38 : x
  2. Step 2: Convert to fraction form
    13,482.42/20,223.72 = 4,717.38/x
  3. Step 3: Cross multiply
    13,482.42x = 20,223.72 × 4,717.38
  4. Step 4: Simplify right side
    13,482.42x = 95,402,972.25
  5. Step 5: Solve for x
    x = 95,402,972.25/13,482.42
  6. Step 6: Final answer
    x = 7,076.10

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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.