Home / 14,102.31-19,436.84-12,298.55

Finding the Fourth Proportional to 14,102.31, 19,436.84 and 12,298.55

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Solution

The fourth proportional to 14,102.31, 19,436.84 and 12,298.55 is: 16,950.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.31 : 19,436.84 = 12,298.55 : x
  2. Step 2: Convert to fraction form
    14,102.31/19,436.84 = 12,298.55/x
  3. Step 3: Cross multiply
    14,102.31x = 19,436.84 × 12,298.55
  4. Step 4: Simplify right side
    14,102.31x = 239,044,789.91
  5. Step 5: Solve for x
    x = 239,044,789.91/14,102.31
  6. Step 6: Final answer
    x = 16,950.75

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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.