Home / 13,864.50-19,133.07-7,577.01

Finding the Fourth Proportional to 13,864.50, 19,133.07 and 7,577.01

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Solution

The fourth proportional to 13,864.50, 19,133.07 and 7,577.01 is: 10,456.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.50 : 19,133.07 = 7,577.01 : x
  2. Step 2: Convert to fraction form
    13,864.50/19,133.07 = 7,577.01/x
  3. Step 3: Cross multiply
    13,864.50x = 19,133.07 × 7,577.01
  4. Step 4: Simplify right side
    13,864.50x = 144,971,462.72
  5. Step 5: Solve for x
    x = 144,971,462.72/13,864.50
  6. Step 6: Final answer
    x = 10,456.31

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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.