Home / 13,272.34-19,908.60-6,325.78

Finding the Fourth Proportional to 13,272.34, 19,908.60 and 6,325.78

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Solution

The fourth proportional to 13,272.34, 19,908.60 and 6,325.78 is: 9,488.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.34 : 19,908.60 = 6,325.78 : x
  2. Step 2: Convert to fraction form
    13,272.34/19,908.60 = 6,325.78/x
  3. Step 3: Cross multiply
    13,272.34x = 19,908.60 × 6,325.78
  4. Step 4: Simplify right side
    13,272.34x = 125,937,423.71
  5. Step 5: Solve for x
    x = 125,937,423.71/13,272.34
  6. Step 6: Final answer
    x = 9,488.71

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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.