Home / 13,244.45-18,277.34-7,276.50

Finding the Fourth Proportional to 13,244.45, 18,277.34 and 7,276.50

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Solution

The fourth proportional to 13,244.45, 18,277.34 and 7,276.50 is: 10,041.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.45 : 18,277.34 = 7,276.50 : x
  2. Step 2: Convert to fraction form
    13,244.45/18,277.34 = 7,276.50/x
  3. Step 3: Cross multiply
    13,244.45x = 18,277.34 × 7,276.50
  4. Step 4: Simplify right side
    13,244.45x = 132,995,043.36
  5. Step 5: Solve for x
    x = 132,995,043.36/13,244.45
  6. Step 6: Final answer
    x = 10,041.57

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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.