Home / 16,411.45-22,645.36-9,240.32

Finding the Fourth Proportional to 16,411.45, 22,645.36 and 9,240.32

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Solution

The fourth proportional to 16,411.45, 22,645.36 and 9,240.32 is: 12,750.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,411.45 : 22,645.36 = 9,240.32 : x
  2. Step 2: Convert to fraction form
    16,411.45/22,645.36 = 9,240.32/x
  3. Step 3: Cross multiply
    16,411.45x = 22,645.36 × 9,240.32
  4. Step 4: Simplify right side
    16,411.45x = 209,250,372.92
  5. Step 5: Solve for x
    x = 209,250,372.92/16,411.45
  6. Step 6: Final answer
    x = 12,750.27

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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.