Home / 14,653.32-21,981.26-4,123.41

Finding the Fourth Proportional to 14,653.32, 21,981.26 and 4,123.41

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Solution

The fourth proportional to 14,653.32, 21,981.26 and 4,123.41 is: 6,185.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,653.32 : 21,981.26 = 4,123.41 : x
  2. Step 2: Convert to fraction form
    14,653.32/21,981.26 = 4,123.41/x
  3. Step 3: Cross multiply
    14,653.32x = 21,981.26 × 4,123.41
  4. Step 4: Simplify right side
    14,653.32x = 90,637,747.30
  5. Step 5: Solve for x
    x = 90,637,747.30/14,653.32
  6. Step 6: Final answer
    x = 6,185.48

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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.