Home / 14,787.80-22,181.70-4,398.20

Finding the Fourth Proportional to 14,787.80, 22,181.70 and 4,398.20

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Solution

The fourth proportional to 14,787.80, 22,181.70 and 4,398.20 is: 6,597.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,787.80 : 22,181.70 = 4,398.20 : x
  2. Step 2: Convert to fraction form
    14,787.80/22,181.70 = 4,398.20/x
  3. Step 3: Cross multiply
    14,787.80x = 22,181.70 × 4,398.20
  4. Step 4: Simplify right side
    14,787.80x = 97,559,552.94
  5. Step 5: Solve for x
    x = 97,559,552.94/14,787.80
  6. Step 6: Final answer
    x = 6,597.30

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1.5x scale

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.