Home / 16,379.37-22,603.53-9,305.80

Finding the Fourth Proportional to 16,379.37, 22,603.53 and 9,305.80

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Solution

The fourth proportional to 16,379.37, 22,603.53 and 9,305.80 is: 12,842.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,379.37 : 22,603.53 = 9,305.80 : x
  2. Step 2: Convert to fraction form
    16,379.37/22,603.53 = 9,305.80/x
  3. Step 3: Cross multiply
    16,379.37x = 22,603.53 × 9,305.80
  4. Step 4: Simplify right side
    16,379.37x = 210,343,929.47
  5. Step 5: Solve for x
    x = 210,343,929.47/16,379.37
  6. Step 6: Final answer
    x = 12,842.00

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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.