Home / 14,177.58-21,279.33-10,879.98

Finding the Fourth Proportional to 14,177.58, 21,279.33 and 10,879.98

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Solution

The fourth proportional to 14,177.58, 21,279.33 and 10,879.98 is: 16,329.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.58 : 21,279.33 = 10,879.98 : x
  2. Step 2: Convert to fraction form
    14,177.58/21,279.33 = 10,879.98/x
  3. Step 3: Cross multiply
    14,177.58x = 21,279.33 × 10,879.98
  4. Step 4: Simplify right side
    14,177.58x = 231,518,684.81
  5. Step 5: Solve for x
    x = 231,518,684.81/14,177.58
  6. Step 6: Final answer
    x = 16,329.92

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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.