Home / 19,621.53-27,077.58-11,125.26

Finding the Fourth Proportional to 19,621.53, 27,077.58 and 11,125.26

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Solution

The fourth proportional to 19,621.53, 27,077.58 and 11,125.26 is: 15,352.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.53 : 27,077.58 = 11,125.26 : x
  2. Step 2: Convert to fraction form
    19,621.53/27,077.58 = 11,125.26/x
  3. Step 3: Cross multiply
    19,621.53x = 27,077.58 × 11,125.26
  4. Step 4: Simplify right side
    19,621.53x = 301,245,117.67
  5. Step 5: Solve for x
    x = 301,245,117.67/19,621.53
  6. Step 6: Final answer
    x = 15,352.78

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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.