Home / 13,496.44-18,624.42-7,528.60

Finding the Fourth Proportional to 13,496.44, 18,624.42 and 7,528.60

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Solution

The fourth proportional to 13,496.44, 18,624.42 and 7,528.60 is: 10,389.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.44 : 18,624.42 = 7,528.60 : x
  2. Step 2: Convert to fraction form
    13,496.44/18,624.42 = 7,528.60/x
  3. Step 3: Cross multiply
    13,496.44x = 18,624.42 × 7,528.60
  4. Step 4: Simplify right side
    13,496.44x = 140,215,808.41
  5. Step 5: Solve for x
    x = 140,215,808.41/13,496.44
  6. Step 6: Final answer
    x = 10,389.10

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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.