Home / 15,829.91-21,835.75-10,452.39

Finding the Fourth Proportional to 15,829.91, 21,835.75 and 10,452.39

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Solution

The fourth proportional to 15,829.91, 21,835.75 and 10,452.39 is: 14,418.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,829.91 : 21,835.75 = 10,452.39 : x
  2. Step 2: Convert to fraction form
    15,829.91/21,835.75 = 10,452.39/x
  3. Step 3: Cross multiply
    15,829.91x = 21,835.75 × 10,452.39
  4. Step 4: Simplify right side
    15,829.91x = 228,235,838.75
  5. Step 5: Solve for x
    x = 228,235,838.75/15,829.91
  6. Step 6: Final answer
    x = 14,418.02

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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.