Home / 13,864.83-19,133.60-7,896.42

Finding the Fourth Proportional to 13,864.83, 19,133.60 and 7,896.42

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Solution

The fourth proportional to 13,864.83, 19,133.60 and 7,896.42 is: 10,897.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.83 : 19,133.60 = 7,896.42 : x
  2. Step 2: Convert to fraction form
    13,864.83/19,133.60 = 7,896.42/x
  3. Step 3: Cross multiply
    13,864.83x = 19,133.60 × 7,896.42
  4. Step 4: Simplify right side
    13,864.83x = 151,086,902.23
  5. Step 5: Solve for x
    x = 151,086,902.23/13,864.83
  6. Step 6: Final answer
    x = 10,897.13

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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.