Home / 14,148.88-21,179.52-12,049.36

Finding the Fourth Proportional to 14,148.88, 21,179.52 and 12,049.36

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Solution

The fourth proportional to 14,148.88, 21,179.52 and 12,049.36 is: 18,036.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.88 : 21,179.52 = 12,049.36 : x
  2. Step 2: Convert to fraction form
    14,148.88/21,179.52 = 12,049.36/x
  3. Step 3: Cross multiply
    14,148.88x = 21,179.52 × 12,049.36
  4. Step 4: Simplify right side
    14,148.88x = 255,199,661.11
  5. Step 5: Solve for x
    x = 255,199,661.11/14,148.88
  6. Step 6: Final answer
    x = 18,036.74

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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.