Home / 18,203.56-27,301.47-5,052.40

Finding the Fourth Proportional to 18,203.56, 27,301.47 and 5,052.40

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Solution

The fourth proportional to 18,203.56, 27,301.47 and 5,052.40 is: 7,577.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203.56 : 27,301.47 = 5,052.40 : x
  2. Step 2: Convert to fraction form
    18,203.56/27,301.47 = 5,052.40/x
  3. Step 3: Cross multiply
    18,203.56x = 27,301.47 × 5,052.40
  4. Step 4: Simplify right side
    18,203.56x = 137,937,947.03
  5. Step 5: Solve for x
    x = 137,937,947.03/18,203.56
  6. Step 6: Final answer
    x = 7,577.53

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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.