Home / 19,530.60-26,951.88-10,578.04

Finding the Fourth Proportional to 19,530.60, 26,951.88 and 10,578.04

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Solution

The fourth proportional to 19,530.60, 26,951.88 and 10,578.04 is: 14,597.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.60 : 26,951.88 = 10,578.04 : x
  2. Step 2: Convert to fraction form
    19,530.60/26,951.88 = 10,578.04/x
  3. Step 3: Cross multiply
    19,530.60x = 26,951.88 × 10,578.04
  4. Step 4: Simplify right side
    19,530.60x = 285,098,064.72
  5. Step 5: Solve for x
    x = 285,098,064.72/19,530.60
  6. Step 6: Final answer
    x = 14,597.51

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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.