Home / 13,864.66-19,133.49-7,577.26

Finding the Fourth Proportional to 13,864.66, 19,133.49 and 7,577.26

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Solution

The fourth proportional to 13,864.66, 19,133.49 and 7,577.26 is: 10,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.66 : 19,133.49 = 7,577.26 : x
  2. Step 2: Convert to fraction form
    13,864.66/19,133.49 = 7,577.26/x
  3. Step 3: Cross multiply
    13,864.66x = 19,133.49 × 7,577.26
  4. Step 4: Simplify right side
    13,864.66x = 144,979,428.44
  5. Step 5: Solve for x
    x = 144,979,428.44/13,864.66
  6. Step 6: Final answer
    x = 10,456.76

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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.