Home / 18,062.06-24,935.65-12,400.16

Finding the Fourth Proportional to 18,062.06, 24,935.65 and 12,400.16

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Solution

The fourth proportional to 18,062.06, 24,935.65 and 12,400.16 is: 17,119.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,062.06 : 24,935.65 = 12,400.16 : x
  2. Step 2: Convert to fraction form
    18,062.06/24,935.65 = 12,400.16/x
  3. Step 3: Cross multiply
    18,062.06x = 24,935.65 × 12,400.16
  4. Step 4: Simplify right side
    18,062.06x = 309,205,894.03
  5. Step 5: Solve for x
    x = 309,205,894.03/18,062.06
  6. Step 6: Final answer
    x = 17,119.09

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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.