Home / 13,269.96-19,902.06-4,722.57

Finding the Fourth Proportional to 13,269.96, 19,902.06 and 4,722.57

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Solution

The fourth proportional to 13,269.96, 19,902.06 and 4,722.57 is: 7,082.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.96 : 19,902.06 = 4,722.57 : x
  2. Step 2: Convert to fraction form
    13,269.96/19,902.06 = 4,722.57/x
  3. Step 3: Cross multiply
    13,269.96x = 19,902.06 × 4,722.57
  4. Step 4: Simplify right side
    13,269.96x = 93,988,871.49
  5. Step 5: Solve for x
    x = 93,988,871.49/13,269.96
  6. Step 6: Final answer
    x = 7,082.83

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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.