Home / 12,528.14-18,718.52-12,092.04

Finding the Fourth Proportional to 12,528.14, 18,718.52 and 12,092.04

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Solution

The fourth proportional to 12,528.14, 18,718.52 and 12,092.04 is: 18,066.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528.14 : 18,718.52 = 12,092.04 : x
  2. Step 2: Convert to fraction form
    12,528.14/18,718.52 = 12,092.04/x
  3. Step 3: Cross multiply
    12,528.14x = 18,718.52 × 12,092.04
  4. Step 4: Simplify right side
    12,528.14x = 226,345,032.12
  5. Step 5: Solve for x
    x = 226,345,032.12/12,528.14
  6. Step 6: Final answer
    x = 18,066.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.