Home / 22,178.96-30,607.71-12,108.01

Finding the Fourth Proportional to 22,178.96, 30,607.71 and 12,108.01

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Solution

The fourth proportional to 22,178.96, 30,607.71 and 12,108.01 is: 16,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,178.96 : 30,607.71 = 12,108.01 : x
  2. Step 2: Convert to fraction form
    22,178.96/30,607.71 = 12,108.01/x
  3. Step 3: Cross multiply
    22,178.96x = 30,607.71 × 12,108.01
  4. Step 4: Simplify right side
    22,178.96x = 370,598,245.18
  5. Step 5: Solve for x
    x = 370,598,245.18/22,178.96
  6. Step 6: Final answer
    x = 16,709.45

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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.