Home / 13,964.34-19,269.32-7,995.45

Finding the Fourth Proportional to 13,964.34, 19,269.32 and 7,995.45

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Solution

The fourth proportional to 13,964.34, 19,269.32 and 7,995.45 is: 11,032.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.34 : 19,269.32 = 7,995.45 : x
  2. Step 2: Convert to fraction form
    13,964.34/19,269.32 = 7,995.45/x
  3. Step 3: Cross multiply
    13,964.34x = 19,269.32 × 7,995.45
  4. Step 4: Simplify right side
    13,964.34x = 154,066,844.62
  5. Step 5: Solve for x
    x = 154,066,844.62/13,964.34
  6. Step 6: Final answer
    x = 11,032.88

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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.