Home / 19,663.32-27,135.45-10,710.74

Finding the Fourth Proportional to 19,663.32, 27,135.45 and 10,710.74

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Solution

The fourth proportional to 19,663.32, 27,135.45 and 10,710.74 is: 14,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663.32 : 27,135.45 = 10,710.74 : x
  2. Step 2: Convert to fraction form
    19,663.32/27,135.45 = 10,710.74/x
  3. Step 3: Cross multiply
    19,663.32x = 27,135.45 × 10,710.74
  4. Step 4: Simplify right side
    19,663.32x = 290,640,614.06
  5. Step 5: Solve for x
    x = 290,640,614.06/19,663.32
  6. Step 6: Final answer
    x = 14,780.85

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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.