Home / 16,176.48-22,321.50-9,460.78

Finding the Fourth Proportional to 16,176.48, 22,321.50 and 9,460.78

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Solution

The fourth proportional to 16,176.48, 22,321.50 and 9,460.78 is: 13,054.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,176.48 : 22,321.50 = 9,460.78 : x
  2. Step 2: Convert to fraction form
    16,176.48/22,321.50 = 9,460.78/x
  3. Step 3: Cross multiply
    16,176.48x = 22,321.50 × 9,460.78
  4. Step 4: Simplify right side
    16,176.48x = 211,178,800.77
  5. Step 5: Solve for x
    x = 211,178,800.77/16,176.48
  6. Step 6: Final answer
    x = 13,054.68

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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.