Home / 20,232.08-27,915.46-12,274.10

Finding the Fourth Proportional to 20,232.08, 27,915.46 and 12,274.10

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Solution

The fourth proportional to 20,232.08, 27,915.46 and 12,274.10 is: 16,935.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.08 : 27,915.46 = 12,274.10 : x
  2. Step 2: Convert to fraction form
    20,232.08/27,915.46 = 12,274.10/x
  3. Step 3: Cross multiply
    20,232.08x = 27,915.46 × 12,274.10
  4. Step 4: Simplify right side
    20,232.08x = 342,636,977.32
  5. Step 5: Solve for x
    x = 342,636,977.32/20,232.08
  6. Step 6: Final answer
    x = 16,935.34

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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.