Home / 19,816.77-27,346.41-10,864.07

Finding the Fourth Proportional to 19,816.77, 27,346.41 and 10,864.07

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Solution

The fourth proportional to 19,816.77, 27,346.41 and 10,864.07 is: 14,992.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.77 : 27,346.41 = 10,864.07 : x
  2. Step 2: Convert to fraction form
    19,816.77/27,346.41 = 10,864.07/x
  3. Step 3: Cross multiply
    19,816.77x = 27,346.41 × 10,864.07
  4. Step 4: Simplify right side
    19,816.77x = 297,093,312.49
  5. Step 5: Solve for x
    x = 297,093,312.49/19,816.77
  6. Step 6: Final answer
    x = 14,992.01

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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.