Home / 15,320.18-22,975.40-4,929.50

Finding the Fourth Proportional to 15,320.18, 22,975.40 and 4,929.50

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Solution

The fourth proportional to 15,320.18, 22,975.40 and 4,929.50 is: 7,392.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320.18 : 22,975.40 = 4,929.50 : x
  2. Step 2: Convert to fraction form
    15,320.18/22,975.40 = 4,929.50/x
  3. Step 3: Cross multiply
    15,320.18x = 22,975.40 × 4,929.50
  4. Step 4: Simplify right side
    15,320.18x = 113,257,234.30
  5. Step 5: Solve for x
    x = 113,257,234.30/15,320.18
  6. Step 6: Final answer
    x = 7,392.68

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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.