Home / 19,816.95-27,346.32-10,864.29

Finding the Fourth Proportional to 19,816.95, 27,346.32 and 10,864.29

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Solution

The fourth proportional to 19,816.95, 27,346.32 and 10,864.29 is: 14,992.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.95 : 27,346.32 = 10,864.29 : x
  2. Step 2: Convert to fraction form
    19,816.95/27,346.32 = 10,864.29/x
  3. Step 3: Cross multiply
    19,816.95x = 27,346.32 × 10,864.29
  4. Step 4: Simplify right side
    19,816.95x = 297,098,350.91
  5. Step 5: Solve for x
    x = 297,098,350.91/19,816.95
  6. Step 6: Final answer
    x = 14,992.13

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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.