Home / 18,538.93-27,808.16-4,499.06

Finding the Fourth Proportional to 18,538.93, 27,808.16 and 4,499.06

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Solution

The fourth proportional to 18,538.93, 27,808.16 and 4,499.06 is: 6,748.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.93 : 27,808.16 = 4,499.06 : x
  2. Step 2: Convert to fraction form
    18,538.93/27,808.16 = 4,499.06/x
  3. Step 3: Cross multiply
    18,538.93x = 27,808.16 × 4,499.06
  4. Step 4: Simplify right side
    18,538.93x = 125,110,627.35
  5. Step 5: Solve for x
    x = 125,110,627.35/18,538.93
  6. Step 6: Final answer
    x = 6,748.54

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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.