Home / 15,588.58-21,504.21-10,553.02

Finding the Fourth Proportional to 15,588.58, 21,504.21 and 10,553.02

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Solution

The fourth proportional to 15,588.58, 21,504.21 and 10,553.02 is: 14,557.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,588.58 : 21,504.21 = 10,553.02 : x
  2. Step 2: Convert to fraction form
    15,588.58/21,504.21 = 10,553.02/x
  3. Step 3: Cross multiply
    15,588.58x = 21,504.21 × 10,553.02
  4. Step 4: Simplify right side
    15,588.58x = 226,934,358.21
  5. Step 5: Solve for x
    x = 226,934,358.21/15,588.58
  6. Step 6: Final answer
    x = 14,557.73

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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.