Home / 19,621.75-27,077.52-10,669.06

Finding the Fourth Proportional to 19,621.75, 27,077.52 and 10,669.06

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Solution

The fourth proportional to 19,621.75, 27,077.52 and 10,669.06 is: 14,723.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.75 : 27,077.52 = 10,669.06 : x
  2. Step 2: Convert to fraction form
    19,621.75/27,077.52 = 10,669.06/x
  3. Step 3: Cross multiply
    19,621.75x = 27,077.52 × 10,669.06
  4. Step 4: Simplify right side
    19,621.75x = 288,891,685.53
  5. Step 5: Solve for x
    x = 288,891,685.53/19,621.75
  6. Step 6: Final answer
    x = 14,723.03

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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.