Home / 22,374.63-30,876.39-12,302.28

Finding the Fourth Proportional to 22,374.63, 30,876.39 and 12,302.28

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Solution

The fourth proportional to 22,374.63, 30,876.39 and 12,302.28 is: 16,976.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,374.63 : 30,876.39 = 12,302.28 : x
  2. Step 2: Convert to fraction form
    22,374.63/30,876.39 = 12,302.28/x
  3. Step 3: Cross multiply
    22,374.63x = 30,876.39 × 12,302.28
  4. Step 4: Simplify right side
    22,374.63x = 379,849,995.17
  5. Step 5: Solve for x
    x = 379,849,995.17/22,374.63
  6. Step 6: Final answer
    x = 16,976.82

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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.