Home / 15,553.36-21,458.28-10,835.92

Finding the Fourth Proportional to 15,553.36, 21,458.28 and 10,835.92

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Solution

The fourth proportional to 15,553.36, 21,458.28 and 10,835.92 is: 14,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.36 : 21,458.28 = 10,835.92 : x
  2. Step 2: Convert to fraction form
    15,553.36/21,458.28 = 10,835.92/x
  3. Step 3: Cross multiply
    15,553.36x = 21,458.28 × 10,835.92
  4. Step 4: Simplify right side
    15,553.36x = 232,520,205.42
  5. Step 5: Solve for x
    x = 232,520,205.42/15,553.36
  6. Step 6: Final answer
    x = 14,949.84

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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.