Home / 17,787.02-26,680.51-5,475.02

Finding the Fourth Proportional to 17,787.02, 26,680.51 and 5,475.02

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Solution

The fourth proportional to 17,787.02, 26,680.51 and 5,475.02 is: 8,212.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,787.02 : 26,680.51 = 5,475.02 : x
  2. Step 2: Convert to fraction form
    17,787.02/26,680.51 = 5,475.02/x
  3. Step 3: Cross multiply
    17,787.02x = 26,680.51 × 5,475.02
  4. Step 4: Simplify right side
    17,787.02x = 146,076,325.86
  5. Step 5: Solve for x
    x = 146,076,325.86/17,787.02
  6. Step 6: Final answer
    x = 8,212.52

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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.