Home / 18,390.24-25,374.69-12,026.16

Finding the Fourth Proportional to 18,390.24, 25,374.69 and 12,026.16

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Solution

The fourth proportional to 18,390.24, 25,374.69 and 12,026.16 is: 16,593.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,390.24 : 25,374.69 = 12,026.16 : x
  2. Step 2: Convert to fraction form
    18,390.24/25,374.69 = 12,026.16/x
  3. Step 3: Cross multiply
    18,390.24x = 25,374.69 × 12,026.16
  4. Step 4: Simplify right side
    18,390.24x = 305,160,081.89
  5. Step 5: Solve for x
    x = 305,160,081.89/18,390.24
  6. Step 6: Final answer
    x = 16,593.59

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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.