Home / 13,496.87-18,626.54-7,528.53

Finding the Fourth Proportional to 13,496.87, 18,626.54 and 7,528.53

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Solution

The fourth proportional to 13,496.87, 18,626.54 and 7,528.53 is: 10,389.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.87 : 18,626.54 = 7,528.53 : x
  2. Step 2: Convert to fraction form
    13,496.87/18,626.54 = 7,528.53/x
  3. Step 3: Cross multiply
    13,496.87x = 18,626.54 × 7,528.53
  4. Step 4: Simplify right side
    13,496.87x = 140,230,438.73
  5. Step 5: Solve for x
    x = 140,230,438.73/13,496.87
  6. Step 6: Final answer
    x = 10,389.84

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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.