Home / 19,816.60-27,346.80-10,864.48

Finding the Fourth Proportional to 19,816.60, 27,346.80 and 10,864.48

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Solution

The fourth proportional to 19,816.60, 27,346.80 and 10,864.48 is: 14,992.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.60 : 27,346.80 = 10,864.48 : x
  2. Step 2: Convert to fraction form
    19,816.60/27,346.80 = 10,864.48/x
  3. Step 3: Cross multiply
    19,816.60x = 27,346.80 × 10,864.48
  4. Step 4: Simplify right side
    19,816.60x = 297,108,761.66
  5. Step 5: Solve for x
    x = 297,108,761.66/19,816.60
  6. Step 6: Final answer
    x = 14,992.92

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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.