Home / 22,108.22-30,509.15-12,036.63

Finding the Fourth Proportional to 22,108.22, 30,509.15 and 12,036.63

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Solution

The fourth proportional to 22,108.22, 30,509.15 and 12,036.63 is: 16,610.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108.22 : 30,509.15 = 12,036.63 : x
  2. Step 2: Convert to fraction form
    22,108.22/30,509.15 = 12,036.63/x
  3. Step 3: Cross multiply
    22,108.22x = 30,509.15 × 12,036.63
  4. Step 4: Simplify right side
    22,108.22x = 367,227,404.39
  5. Step 5: Solve for x
    x = 367,227,404.39/22,108.22
  6. Step 6: Final answer
    x = 16,610.45

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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.