Home / 22,156.51-30,576.35-12,084.95

Finding the Fourth Proportional to 22,156.51, 30,576.35 and 12,084.95

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Solution

The fourth proportional to 22,156.51, 30,576.35 and 12,084.95 is: 16,677.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,156.51 : 30,576.35 = 12,084.95 : x
  2. Step 2: Convert to fraction form
    22,156.51/30,576.35 = 12,084.95/x
  3. Step 3: Cross multiply
    22,156.51x = 30,576.35 × 12,084.95
  4. Step 4: Simplify right side
    22,156.51x = 369,513,653.61
  5. Step 5: Solve for x
    x = 369,513,653.61/22,156.51
  6. Step 6: Final answer
    x = 16,677.43

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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.