Home / 13,302.32-19,956.41-3,943.08

Finding the Fourth Proportional to 13,302.32, 19,956.41 and 3,943.08

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Solution

The fourth proportional to 13,302.32, 19,956.41 and 3,943.08 is: 5,915.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.32 : 19,956.41 = 3,943.08 : x
  2. Step 2: Convert to fraction form
    13,302.32/19,956.41 = 3,943.08/x
  3. Step 3: Cross multiply
    13,302.32x = 19,956.41 × 3,943.08
  4. Step 4: Simplify right side
    13,302.32x = 78,689,701.43
  5. Step 5: Solve for x
    x = 78,689,701.43/13,302.32
  6. Step 6: Final answer
    x = 5,915.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.