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Finding the Fourth Proportional to 16,239.68, 22,411.02 and 9,525.48

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Solution

The fourth proportional to 16,239.68, 22,411.02 and 9,525.48 is: 13,145.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,239.68 : 22,411.02 = 9,525.48 : x
  2. Step 2: Convert to fraction form
    16,239.68/22,411.02 = 9,525.48/x
  3. Step 3: Cross multiply
    16,239.68x = 22,411.02 × 9,525.48
  4. Step 4: Simplify right side
    16,239.68x = 213,475,722.79
  5. Step 5: Solve for x
    x = 213,475,722.79/16,239.68
  6. Step 6: Final answer
    x = 13,145.32

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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.