Home / 13,935.18-19,229.55-7,967.10

Finding the Fourth Proportional to 13,935.18, 19,229.55 and 7,967.10

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Solution

The fourth proportional to 13,935.18, 19,229.55 and 7,967.10 is: 10,994.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.18 : 19,229.55 = 7,967.10 : x
  2. Step 2: Convert to fraction form
    13,935.18/19,229.55 = 7,967.10/x
  3. Step 3: Cross multiply
    13,935.18x = 19,229.55 × 7,967.10
  4. Step 4: Simplify right side
    13,935.18x = 153,203,747.81
  5. Step 5: Solve for x
    x = 153,203,747.81/13,935.18
  6. Step 6: Final answer
    x = 10,994.03

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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.