Home / 15,932.05-23,900.37-5,403

Finding the Fourth Proportional to 15,932.05, 23,900.37 and 5,403

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Solution

The fourth proportional to 15,932.05, 23,900.37 and 5,403 is: 8,105.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,932.05 : 23,900.37 = 5,403 : x
  2. Step 2: Convert to fraction form
    15,932.05/23,900.37 = 5,403/x
  3. Step 3: Cross multiply
    15,932.05x = 23,900.37 × 5,403
  4. Step 4: Simplify right side
    15,932.05x = 129,133,699.11
  5. Step 5: Solve for x
    x = 129,133,699.11/15,932.05
  6. Step 6: Final answer
    x = 8,105.28

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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.