Home / 16,161.52-22,303.20-9,447.72

Finding the Fourth Proportional to 16,161.52, 22,303.20 and 9,447.72

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Solution

The fourth proportional to 16,161.52, 22,303.20 and 9,447.72 is: 13,038.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,161.52 : 22,303.20 = 9,447.72 : x
  2. Step 2: Convert to fraction form
    16,161.52/22,303.20 = 9,447.72/x
  3. Step 3: Cross multiply
    16,161.52x = 22,303.20 × 9,447.72
  4. Step 4: Simplify right side
    16,161.52x = 210,714,388.70
  5. Step 5: Solve for x
    x = 210,714,388.70/16,161.52
  6. Step 6: Final answer
    x = 13,038.03

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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.