Home / 13,833.35-19,089.36-7,864.36

Finding the Fourth Proportional to 13,833.35, 19,089.36 and 7,864.36

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Solution

The fourth proportional to 13,833.35, 19,089.36 and 7,864.36 is: 10,852.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,833.35 : 19,089.36 = 7,864.36 : x
  2. Step 2: Convert to fraction form
    13,833.35/19,089.36 = 7,864.36/x
  3. Step 3: Cross multiply
    13,833.35x = 19,089.36 × 7,864.36
  4. Step 4: Simplify right side
    13,833.35x = 150,125,551.49
  5. Step 5: Solve for x
    x = 150,125,551.49/13,833.35
  6. Step 6: Final answer
    x = 10,852.44

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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.