Home / 22,178.46-30,607.02-12,107.51

Finding the Fourth Proportional to 22,178.46, 30,607.02 and 12,107.51

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Solution

The fourth proportional to 22,178.46, 30,607.02 and 12,107.51 is: 16,708.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,178.46 : 30,607.02 = 12,107.51 : x
  2. Step 2: Convert to fraction form
    22,178.46/30,607.02 = 12,107.51/x
  3. Step 3: Cross multiply
    22,178.46x = 30,607.02 × 12,107.51
  4. Step 4: Simplify right side
    22,178.46x = 370,574,587.15
  5. Step 5: Solve for x
    x = 370,574,587.15/22,178.46
  6. Step 6: Final answer
    x = 16,708.76

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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.