Home / 14,649.84-21,983.40-5,422.32

Finding the Fourth Proportional to 14,649.84, 21,983.40 and 5,422.32

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Solution

The fourth proportional to 14,649.84, 21,983.40 and 5,422.32 is: 8,136.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.84 : 21,983.40 = 5,422.32 : x
  2. Step 2: Convert to fraction form
    14,649.84/21,983.40 = 5,422.32/x
  3. Step 3: Cross multiply
    14,649.84x = 21,983.40 × 5,422.32
  4. Step 4: Simplify right side
    14,649.84x = 119,201,029.49
  5. Step 5: Solve for x
    x = 119,201,029.49/14,649.84
  6. Step 6: Final answer
    x = 8,136.68

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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.