Home / 13,528.25-18,662.16-9,052.19

Finding the Fourth Proportional to 13,528.25, 18,662.16 and 9,052.19

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Solution

The fourth proportional to 13,528.25, 18,662.16 and 9,052.19 is: 12,487.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.25 : 18,662.16 = 9,052.19 : x
  2. Step 2: Convert to fraction form
    13,528.25/18,662.16 = 9,052.19/x
  3. Step 3: Cross multiply
    13,528.25x = 18,662.16 × 9,052.19
  4. Step 4: Simplify right side
    13,528.25x = 168,933,324.82
  5. Step 5: Solve for x
    x = 168,933,324.82/13,528.25
  6. Step 6: Final answer
    x = 12,487.45

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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.