Home / 13,330.74-18,396.57-7,362.27

Finding the Fourth Proportional to 13,330.74, 18,396.57 and 7,362.27

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Solution

The fourth proportional to 13,330.74, 18,396.57 and 7,362.27 is: 10,160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.74 : 18,396.57 = 7,362.27 : x
  2. Step 2: Convert to fraction form
    13,330.74/18,396.57 = 7,362.27/x
  3. Step 3: Cross multiply
    13,330.74x = 18,396.57 × 7,362.27
  4. Step 4: Simplify right side
    13,330.74x = 135,440,515.41
  5. Step 5: Solve for x
    x = 135,440,515.41/13,330.74
  6. Step 6: Final answer
    x = 10,160.01

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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.