Home / 13,022.76-17,931.78-10,361.64

Finding the Fourth Proportional to 13,022.76, 17,931.78 and 10,361.64

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Solution

The fourth proportional to 13,022.76, 17,931.78 and 10,361.64 is: 14,267.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.76 : 17,931.78 = 10,361.64 : x
  2. Step 2: Convert to fraction form
    13,022.76/17,931.78 = 10,361.64/x
  3. Step 3: Cross multiply
    13,022.76x = 17,931.78 × 10,361.64
  4. Step 4: Simplify right side
    13,022.76x = 185,802,648.92
  5. Step 5: Solve for x
    x = 185,802,648.92/13,022.76
  6. Step 6: Final answer
    x = 14,267.53

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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.