Home / 18,349.16-25,332.32-12,079.76

Finding the Fourth Proportional to 18,349.16, 25,332.32 and 12,079.76

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Solution

The fourth proportional to 18,349.16, 25,332.32 and 12,079.76 is: 16,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.16 : 25,332.32 = 12,079.76 : x
  2. Step 2: Convert to fraction form
    18,349.16/25,332.32 = 12,079.76/x
  3. Step 3: Cross multiply
    18,349.16x = 25,332.32 × 12,079.76
  4. Step 4: Simplify right side
    18,349.16x = 306,008,345.84
  5. Step 5: Solve for x
    x = 306,008,345.84/18,349.16
  6. Step 6: Final answer
    x = 16,676.97

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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.