Home / 19,663.32-27,134.78-10,710.68

Finding the Fourth Proportional to 19,663.32, 27,134.78 and 10,710.68

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Solution

The fourth proportional to 19,663.32, 27,134.78 and 10,710.68 is: 14,780.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663.32 : 27,134.78 = 10,710.68 : x
  2. Step 2: Convert to fraction form
    19,663.32/27,134.78 = 10,710.68/x
  3. Step 3: Cross multiply
    19,663.32x = 27,134.78 × 10,710.68
  4. Step 4: Simplify right side
    19,663.32x = 290,631,945.45
  5. Step 5: Solve for x
    x = 290,631,945.45/19,663.32
  6. Step 6: Final answer
    x = 14,780.41

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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.