Home / 27,453.36-37,885.64-14,878.12

Finding the Fourth Proportional to 27,453.36, 37,885.64 and 14,878.12

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Solution

The fourth proportional to 27,453.36, 37,885.64 and 14,878.12 is: 20,531.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,453.36 : 37,885.64 = 14,878.12 : x
  2. Step 2: Convert to fraction form
    27,453.36/37,885.64 = 14,878.12/x
  3. Step 3: Cross multiply
    27,453.36x = 37,885.64 × 14,878.12
  4. Step 4: Simplify right side
    27,453.36x = 563,667,098.20
  5. Step 5: Solve for x
    x = 563,667,098.20/27,453.36
  6. Step 6: Final answer
    x = 20,531.81

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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.