Home / 13,192.12-18,210.18-9,006.04

Finding the Fourth Proportional to 13,192.12, 18,210.18 and 9,006.04

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Solution

The fourth proportional to 13,192.12, 18,210.18 and 9,006.04 is: 12,431.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.12 : 18,210.18 = 9,006.04 : x
  2. Step 2: Convert to fraction form
    13,192.12/18,210.18 = 9,006.04/x
  3. Step 3: Cross multiply
    13,192.12x = 18,210.18 × 9,006.04
  4. Step 4: Simplify right side
    13,192.12x = 164,001,609.49
  5. Step 5: Solve for x
    x = 164,001,609.49/13,192.12
  6. Step 6: Final answer
    x = 12,431.79

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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.