Home / 15,450.57-23,174.66-4,921.19

Finding the Fourth Proportional to 15,450.57, 23,174.66 and 4,921.19

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Solution

The fourth proportional to 15,450.57, 23,174.66 and 4,921.19 is: 7,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,450.57 : 23,174.66 = 4,921.19 : x
  2. Step 2: Convert to fraction form
    15,450.57/23,174.66 = 4,921.19/x
  3. Step 3: Cross multiply
    15,450.57x = 23,174.66 × 4,921.19
  4. Step 4: Simplify right side
    15,450.57x = 114,046,888.38
  5. Step 5: Solve for x
    x = 114,046,888.38/15,450.57
  6. Step 6: Final answer
    x = 7,381.40

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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.