Home / 21,607.63-32,411.44-5,191.63

Finding the Fourth Proportional to 21,607.63, 32,411.44 and 5,191.63

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Solution

The fourth proportional to 21,607.63, 32,411.44 and 5,191.63 is: 7,787.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,607.63 : 32,411.44 = 5,191.63 : x
  2. Step 2: Convert to fraction form
    21,607.63/32,411.44 = 5,191.63/x
  3. Step 3: Cross multiply
    21,607.63x = 32,411.44 × 5,191.63
  4. Step 4: Simplify right side
    21,607.63x = 168,268,042.19
  5. Step 5: Solve for x
    x = 168,268,042.19/21,607.63
  6. Step 6: Final answer
    x = 7,787.44

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Similar ratio
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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.