Home / 18,447.74-27,667.53-5,297.18

Finding the Fourth Proportional to 18,447.74, 27,667.53 and 5,297.18

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Solution

The fourth proportional to 18,447.74, 27,667.53 and 5,297.18 is: 7,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447.74 : 27,667.53 = 5,297.18 : x
  2. Step 2: Convert to fraction form
    18,447.74/27,667.53 = 5,297.18/x
  3. Step 3: Cross multiply
    18,447.74x = 27,667.53 × 5,297.18
  4. Step 4: Simplify right side
    18,447.74x = 146,559,886.57
  5. Step 5: Solve for x
    x = 146,559,886.57/18,447.74
  6. Step 6: Final answer
    x = 7,944.60

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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.