Home / 15,109.07-22,671.27-6,787.40

Finding the Fourth Proportional to 15,109.07, 22,671.27 and 6,787.40

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Solution

The fourth proportional to 15,109.07, 22,671.27 and 6,787.40 is: 10,184.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,109.07 : 22,671.27 = 6,787.40 : x
  2. Step 2: Convert to fraction form
    15,109.07/22,671.27 = 6,787.40/x
  3. Step 3: Cross multiply
    15,109.07x = 22,671.27 × 6,787.40
  4. Step 4: Simplify right side
    15,109.07x = 153,878,864.64
  5. Step 5: Solve for x
    x = 153,878,864.64/15,109.07
  6. Step 6: Final answer
    x = 10,184.54

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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.