Home / 20,491.52-30,741.88-6,261.23

Finding the Fourth Proportional to 20,491.52, 30,741.88 and 6,261.23

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Solution

The fourth proportional to 20,491.52, 30,741.88 and 6,261.23 is: 9,393.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,491.52 : 30,741.88 = 6,261.23 : x
  2. Step 2: Convert to fraction form
    20,491.52/30,741.88 = 6,261.23/x
  3. Step 3: Cross multiply
    20,491.52x = 30,741.88 × 6,261.23
  4. Step 4: Simplify right side
    20,491.52x = 192,482,054.25
  5. Step 5: Solve for x
    x = 192,482,054.25/20,491.52
  6. Step 6: Final answer
    x = 9,393.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.