Home / 13,046.49-18,002.93-7,380.54

Finding the Fourth Proportional to 13,046.49, 18,002.93 and 7,380.54

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Solution

The fourth proportional to 13,046.49, 18,002.93 and 7,380.54 is: 10,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046.49 : 18,002.93 = 7,380.54 : x
  2. Step 2: Convert to fraction form
    13,046.49/18,002.93 = 7,380.54/x
  3. Step 3: Cross multiply
    13,046.49x = 18,002.93 × 7,380.54
  4. Step 4: Simplify right side
    13,046.49x = 132,871,308.08
  5. Step 5: Solve for x
    x = 132,871,308.08/13,046.49
  6. Step 6: Final answer
    x = 10,184.45

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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.