Home / 13,251.50-19,880.82-4,368.51

Finding the Fourth Proportional to 13,251.50, 19,880.82 and 4,368.51

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Solution

The fourth proportional to 13,251.50, 19,880.82 and 4,368.51 is: 6,553.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.50 : 19,880.82 = 4,368.51 : x
  2. Step 2: Convert to fraction form
    13,251.50/19,880.82 = 4,368.51/x
  3. Step 3: Cross multiply
    13,251.50x = 19,880.82 × 4,368.51
  4. Step 4: Simplify right side
    13,251.50x = 86,849,560.98
  5. Step 5: Solve for x
    x = 86,849,560.98/13,251.50
  6. Step 6: Final answer
    x = 6,553.94

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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.