Home / 19,663.32-27,135.71-10,710.83

Finding the Fourth Proportional to 19,663.32, 27,135.71 and 10,710.83

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Solution

The fourth proportional to 19,663.32, 27,135.71 and 10,710.83 is: 14,781.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663.32 : 27,135.71 = 10,710.83 : x
  2. Step 2: Convert to fraction form
    19,663.32/27,135.71 = 10,710.83/x
  3. Step 3: Cross multiply
    19,663.32x = 27,135.71 × 10,710.83
  4. Step 4: Simplify right side
    19,663.32x = 290,645,991.02
  5. Step 5: Solve for x
    x = 290,645,991.02/19,663.32
  6. Step 6: Final answer
    x = 14,781.13

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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.