Home / 16,203.91-22,360.98-9,399.13

Finding the Fourth Proportional to 16,203.91, 22,360.98 and 9,399.13

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Solution

The fourth proportional to 16,203.91, 22,360.98 and 9,399.13 is: 12,970.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,203.91 : 22,360.98 = 9,399.13 : x
  2. Step 2: Convert to fraction form
    16,203.91/22,360.98 = 9,399.13/x
  3. Step 3: Cross multiply
    16,203.91x = 22,360.98 × 9,399.13
  4. Step 4: Simplify right side
    16,203.91x = 210,173,702.04
  5. Step 5: Solve for x
    x = 210,173,702.04/16,203.91
  6. Step 6: Final answer
    x = 12,970.56

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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.