Home / 15,400.52-23,109.95-6,515.37

Finding the Fourth Proportional to 15,400.52, 23,109.95 and 6,515.37

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Solution

The fourth proportional to 15,400.52, 23,109.95 and 6,515.37 is: 9,776.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400.52 : 23,109.95 = 6,515.37 : x
  2. Step 2: Convert to fraction form
    15,400.52/23,109.95 = 6,515.37/x
  3. Step 3: Cross multiply
    15,400.52x = 23,109.95 × 6,515.37
  4. Step 4: Simplify right side
    15,400.52x = 150,569,953.45
  5. Step 5: Solve for x
    x = 150,569,953.45/15,400.52
  6. Step 6: Final answer
    x = 9,776.94

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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.