Home / 13,653.48-20,453.06-10,522.60

Finding the Fourth Proportional to 13,653.48, 20,453.06 and 10,522.60

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Solution

The fourth proportional to 13,653.48, 20,453.06 and 10,522.60 is: 15,762.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,653.48 : 20,453.06 = 10,522.60 : x
  2. Step 2: Convert to fraction form
    13,653.48/20,453.06 = 10,522.60/x
  3. Step 3: Cross multiply
    13,653.48x = 20,453.06 × 10,522.60
  4. Step 4: Simplify right side
    13,653.48x = 215,219,369.16
  5. Step 5: Solve for x
    x = 215,219,369.16/13,653.48
  6. Step 6: Final answer
    x = 15,762.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.