Home / 13,244.70-18,277.80-7,276.22

Finding the Fourth Proportional to 13,244.70, 18,277.80 and 7,276.22

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Solution

The fourth proportional to 13,244.70, 18,277.80 and 7,276.22 is: 10,041.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.70 : 18,277.80 = 7,276.22 : x
  2. Step 2: Convert to fraction form
    13,244.70/18,277.80 = 7,276.22/x
  3. Step 3: Cross multiply
    13,244.70x = 18,277.80 × 7,276.22
  4. Step 4: Simplify right side
    13,244.70x = 132,993,202.53
  5. Step 5: Solve for x
    x = 132,993,202.53/13,244.70
  6. Step 6: Final answer
    x = 10,041.24

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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.