Home / 13,864.47-19,127.25-10,079.34

Finding the Fourth Proportional to 13,864.47, 19,127.25 and 10,079.34

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Solution

The fourth proportional to 13,864.47, 19,127.25 and 10,079.34 is: 13,905.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.47 : 19,127.25 = 10,079.34 : x
  2. Step 2: Convert to fraction form
    13,864.47/19,127.25 = 10,079.34/x
  3. Step 3: Cross multiply
    13,864.47x = 19,127.25 × 10,079.34
  4. Step 4: Simplify right side
    13,864.47x = 192,790,056.02
  5. Step 5: Solve for x
    x = 192,790,056.02/13,864.47
  6. Step 6: Final answer
    x = 13,905.33

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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.