Home / 14,802.39-20,427.04-8,087.85

Finding the Fourth Proportional to 14,802.39, 20,427.04 and 8,087.85

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Solution

The fourth proportional to 14,802.39, 20,427.04 and 8,087.85 is: 11,161.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,802.39 : 20,427.04 = 8,087.85 : x
  2. Step 2: Convert to fraction form
    14,802.39/20,427.04 = 8,087.85/x
  3. Step 3: Cross multiply
    14,802.39x = 20,427.04 × 8,087.85
  4. Step 4: Simplify right side
    14,802.39x = 165,210,835.46
  5. Step 5: Solve for x
    x = 165,210,835.46/14,802.39
  6. Step 6: Final answer
    x = 11,161.09

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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.