Home / 16,400.86-22,636.53-10,431.36

Finding the Fourth Proportional to 16,400.86, 22,636.53 and 10,431.36

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Solution

The fourth proportional to 16,400.86, 22,636.53 and 10,431.36 is: 14,397.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,400.86 : 22,636.53 = 10,431.36 : x
  2. Step 2: Convert to fraction form
    16,400.86/22,636.53 = 10,431.36/x
  3. Step 3: Cross multiply
    16,400.86x = 22,636.53 × 10,431.36
  4. Step 4: Simplify right side
    16,400.86x = 236,129,793.58
  5. Step 5: Solve for x
    x = 236,129,793.58/16,400.86
  6. Step 6: Final answer
    x = 14,397.41

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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.