Home / 19,576.48-27,002.64-12,111.52

Finding the Fourth Proportional to 19,576.48, 27,002.64 and 12,111.52

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Solution

The fourth proportional to 19,576.48, 27,002.64 and 12,111.52 is: 16,705.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,576.48 : 27,002.64 = 12,111.52 : x
  2. Step 2: Convert to fraction form
    19,576.48/27,002.64 = 12,111.52/x
  3. Step 3: Cross multiply
    19,576.48x = 27,002.64 × 12,111.52
  4. Step 4: Simplify right side
    19,576.48x = 327,043,014.41
  5. Step 5: Solve for x
    x = 327,043,014.41/19,576.48
  6. Step 6: Final answer
    x = 16,705.92

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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.