Home / 13,864.70-19,133.19-7,577.06

Finding the Fourth Proportional to 13,864.70, 19,133.19 and 7,577.06

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Solution

The fourth proportional to 13,864.70, 19,133.19 and 7,577.06 is: 10,456.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.70 : 19,133.19 = 7,577.06 : x
  2. Step 2: Convert to fraction form
    13,864.70/19,133.19 = 7,577.06/x
  3. Step 3: Cross multiply
    13,864.70x = 19,133.19 × 7,577.06
  4. Step 4: Simplify right side
    13,864.70x = 144,973,328.62
  5. Step 5: Solve for x
    x = 144,973,328.62/13,864.70
  6. Step 6: Final answer
    x = 10,456.29

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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.