Home / 16,347.18-22,557.57-9,975.63

Finding the Fourth Proportional to 16,347.18, 22,557.57 and 9,975.63

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Solution

The fourth proportional to 16,347.18, 22,557.57 and 9,975.63 is: 13,765.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,347.18 : 22,557.57 = 9,975.63 : x
  2. Step 2: Convert to fraction form
    16,347.18/22,557.57 = 9,975.63/x
  3. Step 3: Cross multiply
    16,347.18x = 22,557.57 × 9,975.63
  4. Step 4: Simplify right side
    16,347.18x = 225,025,972.02
  5. Step 5: Solve for x
    x = 225,025,972.02/16,347.18
  6. Step 6: Final answer
    x = 13,765.43

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Double scale
Find fourth proportional to 16,348.18, 22,558.95 and 9,976.63
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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.