Home / 27,018.74-37,286.45-14,919.19

Finding the Fourth Proportional to 27,018.74, 37,286.45 and 14,919.19

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Solution

The fourth proportional to 27,018.74, 37,286.45 and 14,919.19 is: 20,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,018.74 : 37,286.45 = 14,919.19 : x
  2. Step 2: Convert to fraction form
    27,018.74/37,286.45 = 14,919.19/x
  3. Step 3: Cross multiply
    27,018.74x = 37,286.45 × 14,919.19
  4. Step 4: Simplify right side
    27,018.74x = 556,283,464.16
  5. Step 5: Solve for x
    x = 556,283,464.16/27,018.74
  6. Step 6: Final answer
    x = 20,588.80

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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.