Home / 13,916.56-19,202.08-7,950.16

Finding the Fourth Proportional to 13,916.56, 19,202.08 and 7,950.16

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Solution

The fourth proportional to 13,916.56, 19,202.08 and 7,950.16 is: 10,969.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.56 : 19,202.08 = 7,950.16 : x
  2. Step 2: Convert to fraction form
    13,916.56/19,202.08 = 7,950.16/x
  3. Step 3: Cross multiply
    13,916.56x = 19,202.08 × 7,950.16
  4. Step 4: Simplify right side
    13,916.56x = 152,659,608.33
  5. Step 5: Solve for x
    x = 152,659,608.33/13,916.56
  6. Step 6: Final answer
    x = 10,969.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.