Home / 14,487.48-21,718.08-5,251.32

Finding the Fourth Proportional to 14,487.48, 21,718.08 and 5,251.32

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Solution

The fourth proportional to 14,487.48, 21,718.08 and 5,251.32 is: 7,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.48 : 21,718.08 = 5,251.32 : x
  2. Step 2: Convert to fraction form
    14,487.48/21,718.08 = 5,251.32/x
  3. Step 3: Cross multiply
    14,487.48x = 21,718.08 × 5,251.32
  4. Step 4: Simplify right side
    14,487.48x = 114,048,587.87
  5. Step 5: Solve for x
    x = 114,048,587.87/14,487.48
  6. Step 6: Final answer
    x = 7,872.22

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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.