Home / 22,236.66-30,686.54-12,165.08

Finding the Fourth Proportional to 22,236.66, 30,686.54 and 12,165.08

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Solution

The fourth proportional to 22,236.66, 30,686.54 and 12,165.08 is: 16,787.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.66 : 30,686.54 = 12,165.08 : x
  2. Step 2: Convert to fraction form
    22,236.66/30,686.54 = 12,165.08/x
  3. Step 3: Cross multiply
    22,236.66x = 30,686.54 × 12,165.08
  4. Step 4: Simplify right side
    22,236.66x = 373,303,999.77
  5. Step 5: Solve for x
    x = 373,303,999.77/22,236.66
  6. Step 6: Final answer
    x = 16,787.77

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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.