Home / 15,138.53-22,709.88-4,045.58

Finding the Fourth Proportional to 15,138.53, 22,709.88 and 4,045.58

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Solution

The fourth proportional to 15,138.53, 22,709.88 and 4,045.58 is: 6,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138.53 : 22,709.88 = 4,045.58 : x
  2. Step 2: Convert to fraction form
    15,138.53/22,709.88 = 4,045.58/x
  3. Step 3: Cross multiply
    15,138.53x = 22,709.88 × 4,045.58
  4. Step 4: Simplify right side
    15,138.53x = 91,874,522.78
  5. Step 5: Solve for x
    x = 91,874,522.78/15,138.53
  6. Step 6: Final answer
    x = 6,068.92

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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.