Home / 21,475.59-29,636.25-12,044.36

Finding the Fourth Proportional to 21,475.59, 29,636.25 and 12,044.36

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Solution

The fourth proportional to 21,475.59, 29,636.25 and 12,044.36 is: 16,621.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,475.59 : 29,636.25 = 12,044.36 : x
  2. Step 2: Convert to fraction form
    21,475.59/29,636.25 = 12,044.36/x
  3. Step 3: Cross multiply
    21,475.59x = 29,636.25 × 12,044.36
  4. Step 4: Simplify right side
    21,475.59x = 356,949,515.87
  5. Step 5: Solve for x
    x = 356,949,515.87/21,475.59
  6. Step 6: Final answer
    x = 16,621.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.