Home / 14,801.19-20,427.06-8,087.84

Finding the Fourth Proportional to 14,801.19, 20,427.06 and 8,087.84

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Solution

The fourth proportional to 14,801.19, 20,427.06 and 8,087.84 is: 11,161.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,801.19 : 20,427.06 = 8,087.84 : x
  2. Step 2: Convert to fraction form
    14,801.19/20,427.06 = 8,087.84/x
  3. Step 3: Cross multiply
    14,801.19x = 20,427.06 × 8,087.84
  4. Step 4: Simplify right side
    14,801.19x = 165,210,690.82
  5. Step 5: Solve for x
    x = 165,210,690.82/14,801.19
  6. Step 6: Final answer
    x = 11,161.99

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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.