Home / 14,787.74-22,164.58-6,465.80

Finding the Fourth Proportional to 14,787.74, 22,164.58 and 6,465.80

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Solution

The fourth proportional to 14,787.74, 22,164.58 and 6,465.80 is: 9,691.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,787.74 : 22,164.58 = 6,465.80 : x
  2. Step 2: Convert to fraction form
    14,787.74/22,164.58 = 6,465.80/x
  3. Step 3: Cross multiply
    14,787.74x = 22,164.58 × 6,465.80
  4. Step 4: Simplify right side
    14,787.74x = 143,311,741.36
  5. Step 5: Solve for x
    x = 143,311,741.36/14,787.74
  6. Step 6: Final answer
    x = 9,691.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.