Home / 13,860.46-19,122.01-8,546.05

Finding the Fourth Proportional to 13,860.46, 19,122.01 and 8,546.05

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Solution

The fourth proportional to 13,860.46, 19,122.01 and 8,546.05 is: 11,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860.46 : 19,122.01 = 8,546.05 : x
  2. Step 2: Convert to fraction form
    13,860.46/19,122.01 = 8,546.05/x
  3. Step 3: Cross multiply
    13,860.46x = 19,122.01 × 8,546.05
  4. Step 4: Simplify right side
    13,860.46x = 163,417,653.56
  5. Step 5: Solve for x
    x = 163,417,653.56/13,860.46
  6. Step 6: Final answer
    x = 11,790.20

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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.