Home / 14,600.32-20,106-12,685.25

Finding the Fourth Proportional to 14,600.32, 20,106 and 12,685.25

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Solution

The fourth proportional to 14,600.32, 20,106 and 12,685.25 is: 17,468.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,600.32 : 20,106 = 12,685.25 : x
  2. Step 2: Convert to fraction form
    14,600.32/20,106 = 12,685.25/x
  3. Step 3: Cross multiply
    14,600.32x = 20,106 × 12,685.25
  4. Step 4: Simplify right side
    14,600.32x = 255,049,686.77
  5. Step 5: Solve for x
    x = 255,049,686.77/14,600.32
  6. Step 6: Final answer
    x = 17,468.78

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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.