Home / 15,553.59-21,463.14-8,838.28

Finding the Fourth Proportional to 15,553.59, 21,463.14 and 8,838.28

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Solution

The fourth proportional to 15,553.59, 21,463.14 and 8,838.28 is: 12,196.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.59 : 21,463.14 = 8,838.28 : x
  2. Step 2: Convert to fraction form
    15,553.59/21,463.14 = 8,838.28/x
  3. Step 3: Cross multiply
    15,553.59x = 21,463.14 × 8,838.28
  4. Step 4: Simplify right side
    15,553.59x = 189,697,241.00
  5. Step 5: Solve for x
    x = 189,697,241.00/15,553.59
  6. Step 6: Final answer
    x = 12,196.36

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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.