Home / 12,437.63-18,565.44-10,961.45

Finding the Fourth Proportional to 12,437.63, 18,565.44 and 10,961.45

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Solution

The fourth proportional to 12,437.63, 18,565.44 and 10,961.45 is: 16,361.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.63 : 18,565.44 = 10,961.45 : x
  2. Step 2: Convert to fraction form
    12,437.63/18,565.44 = 10,961.45/x
  3. Step 3: Cross multiply
    12,437.63x = 18,565.44 × 10,961.45
  4. Step 4: Simplify right side
    12,437.63x = 203,503,994.65
  5. Step 5: Solve for x
    x = 203,503,994.65/12,437.63
  6. Step 6: Final answer
    x = 16,361.97

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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.