Home / 16,172.48-22,318.31-9,798.86

Finding the Fourth Proportional to 16,172.48, 22,318.31 and 9,798.86

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Solution

The fourth proportional to 16,172.48, 22,318.31 and 9,798.86 is: 13,522.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,172.48 : 22,318.31 = 9,798.86 : x
  2. Step 2: Convert to fraction form
    16,172.48/22,318.31 = 9,798.86/x
  3. Step 3: Cross multiply
    16,172.48x = 22,318.31 × 9,798.86
  4. Step 4: Simplify right side
    16,172.48x = 218,693,908.03
  5. Step 5: Solve for x
    x = 218,693,908.03/16,172.48
  6. Step 6: Final answer
    x = 13,522.60

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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.