Home / 19,650.74-27,118.02-10,698.30

Finding the Fourth Proportional to 19,650.74, 27,118.02 and 10,698.30

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Solution

The fourth proportional to 19,650.74, 27,118.02 and 10,698.30 is: 14,763.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.74 : 27,118.02 = 10,698.30 : x
  2. Step 2: Convert to fraction form
    19,650.74/27,118.02 = 10,698.30/x
  3. Step 3: Cross multiply
    19,650.74x = 27,118.02 × 10,698.30
  4. Step 4: Simplify right side
    19,650.74x = 290,116,713.37
  5. Step 5: Solve for x
    x = 290,116,713.37/19,650.74
  6. Step 6: Final answer
    x = 14,763.66

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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.