Home / 19,663.19-27,135.28-10,710.61

Finding the Fourth Proportional to 19,663.19, 27,135.28 and 10,710.61

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Solution

The fourth proportional to 19,663.19, 27,135.28 and 10,710.61 is: 14,780.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663.19 : 27,135.28 = 10,710.61 : x
  2. Step 2: Convert to fraction form
    19,663.19/27,135.28 = 10,710.61/x
  3. Step 3: Cross multiply
    19,663.19x = 27,135.28 × 10,710.61
  4. Step 4: Simplify right side
    19,663.19x = 290,635,374.54
  5. Step 5: Solve for x
    x = 290,635,374.54/19,663.19
  6. Step 6: Final answer
    x = 14,780.68

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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.