Home / 13,532.09-20,298.27-4,172.03

Finding the Fourth Proportional to 13,532.09, 20,298.27 and 4,172.03

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Solution

The fourth proportional to 13,532.09, 20,298.27 and 4,172.03 is: 6,258.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532.09 : 20,298.27 = 4,172.03 : x
  2. Step 2: Convert to fraction form
    13,532.09/20,298.27 = 4,172.03/x
  3. Step 3: Cross multiply
    13,532.09x = 20,298.27 × 4,172.03
  4. Step 4: Simplify right side
    13,532.09x = 84,685,027.02
  5. Step 5: Solve for x
    x = 84,685,027.02/13,532.09
  6. Step 6: Final answer
    x = 6,258.09

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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.