Home / 14,168.39-19,558.14-9,132.89

Finding the Fourth Proportional to 14,168.39, 19,558.14 and 9,132.89

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Solution

The fourth proportional to 14,168.39, 19,558.14 and 9,132.89 is: 12,607.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.39 : 19,558.14 = 9,132.89 : x
  2. Step 2: Convert to fraction form
    14,168.39/19,558.14 = 9,132.89/x
  3. Step 3: Cross multiply
    14,168.39x = 19,558.14 × 9,132.89
  4. Step 4: Simplify right side
    14,168.39x = 178,622,341.22
  5. Step 5: Solve for x
    x = 178,622,341.22/14,168.39
  6. Step 6: Final answer
    x = 12,607.10

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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.