Home / 19,650.77-27,117.78-10,698.34

Finding the Fourth Proportional to 19,650.77, 27,117.78 and 10,698.34

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Solution

The fourth proportional to 19,650.77, 27,117.78 and 10,698.34 is: 14,763.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.77 : 27,117.78 = 10,698.34 : x
  2. Step 2: Convert to fraction form
    19,650.77/27,117.78 = 10,698.34/x
  3. Step 3: Cross multiply
    19,650.77x = 27,117.78 × 10,698.34
  4. Step 4: Simplify right side
    19,650.77x = 290,115,230.49
  5. Step 5: Solve for x
    x = 290,115,230.49/19,650.77
  6. Step 6: Final answer
    x = 14,763.56

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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.