Home / 15,963.91-22,029.34-9,157.59

Finding the Fourth Proportional to 15,963.91, 22,029.34 and 9,157.59

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Solution

The fourth proportional to 15,963.91, 22,029.34 and 9,157.59 is: 12,636.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,963.91 : 22,029.34 = 9,157.59 : x
  2. Step 2: Convert to fraction form
    15,963.91/22,029.34 = 9,157.59/x
  3. Step 3: Cross multiply
    15,963.91x = 22,029.34 × 9,157.59
  4. Step 4: Simplify right side
    15,963.91x = 201,735,663.69
  5. Step 5: Solve for x
    x = 201,735,663.69/15,963.91
  6. Step 6: Final answer
    x = 12,636.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.