Home / 14,324.32-21,487.63-5,443.90

Finding the Fourth Proportional to 14,324.32, 21,487.63 and 5,443.90

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Solution

The fourth proportional to 14,324.32, 21,487.63 and 5,443.90 is: 8,166.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,324.32 : 21,487.63 = 5,443.90 : x
  2. Step 2: Convert to fraction form
    14,324.32/21,487.63 = 5,443.90/x
  3. Step 3: Cross multiply
    14,324.32x = 21,487.63 × 5,443.90
  4. Step 4: Simplify right side
    14,324.32x = 116,976,441.63
  5. Step 5: Solve for x
    x = 116,976,441.63/14,324.32
  6. Step 6: Final answer
    x = 8,166.28

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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.