Home / 13,244.66-18,277.76-7,276.46

Finding the Fourth Proportional to 13,244.66, 18,277.76 and 7,276.46

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Solution

The fourth proportional to 13,244.66, 18,277.76 and 7,276.46 is: 10,041.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.66 : 18,277.76 = 7,276.46 : x
  2. Step 2: Convert to fraction form
    13,244.66/18,277.76 = 7,276.46/x
  3. Step 3: Cross multiply
    13,244.66x = 18,277.76 × 7,276.46
  4. Step 4: Simplify right side
    13,244.66x = 132,997,298.14
  5. Step 5: Solve for x
    x = 132,997,298.14/13,244.66
  6. Step 6: Final answer
    x = 10,041.58

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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.