Home / 15,787.10-23,680.11-4,693.84

Finding the Fourth Proportional to 15,787.10, 23,680.11 and 4,693.84

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Solution

The fourth proportional to 15,787.10, 23,680.11 and 4,693.84 is: 7,040.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787.10 : 23,680.11 = 4,693.84 : x
  2. Step 2: Convert to fraction form
    15,787.10/23,680.11 = 4,693.84/x
  3. Step 3: Cross multiply
    15,787.10x = 23,680.11 × 4,693.84
  4. Step 4: Simplify right side
    15,787.10x = 111,150,588.32
  5. Step 5: Solve for x
    x = 111,150,588.32/15,787.10
  6. Step 6: Final answer
    x = 7,040.60

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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.