Home / 15,492.52-23,240.70-5,107.88

Finding the Fourth Proportional to 15,492.52, 23,240.70 and 5,107.88

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Solution

The fourth proportional to 15,492.52, 23,240.70 and 5,107.88 is: 7,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,492.52 : 23,240.70 = 5,107.88 : x
  2. Step 2: Convert to fraction form
    15,492.52/23,240.70 = 5,107.88/x
  3. Step 3: Cross multiply
    15,492.52x = 23,240.70 × 5,107.88
  4. Step 4: Simplify right side
    15,492.52x = 118,710,706.72
  5. Step 5: Solve for x
    x = 118,710,706.72/15,492.52
  6. Step 6: Final answer
    x = 7,662.45

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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.