Home / 20,242.88-30,368.64-7,096.04

Finding the Fourth Proportional to 20,242.88, 30,368.64 and 7,096.04

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Solution

The fourth proportional to 20,242.88, 30,368.64 and 7,096.04 is: 10,645.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242.88 : 30,368.64 = 7,096.04 : x
  2. Step 2: Convert to fraction form
    20,242.88/30,368.64 = 7,096.04/x
  3. Step 3: Cross multiply
    20,242.88x = 30,368.64 × 7,096.04
  4. Step 4: Simplify right side
    20,242.88x = 215,497,084.19
  5. Step 5: Solve for x
    x = 215,497,084.19/20,242.88
  6. Step 6: Final answer
    x = 10,645.57

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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.