Home / 13,244.48-18,277.80-7,276.28

Finding the Fourth Proportional to 13,244.48, 18,277.80 and 7,276.28

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Solution

The fourth proportional to 13,244.48, 18,277.80 and 7,276.28 is: 10,041.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.48 : 18,277.80 = 7,276.28 : x
  2. Step 2: Convert to fraction form
    13,244.48/18,277.80 = 7,276.28/x
  3. Step 3: Cross multiply
    13,244.48x = 18,277.80 × 7,276.28
  4. Step 4: Simplify right side
    13,244.48x = 132,994,299.20
  5. Step 5: Solve for x
    x = 132,994,299.20/13,244.48
  6. Step 6: Final answer
    x = 10,041.49

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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.