Home / 23,578.77-32,539.39-12,969.09

Finding the Fourth Proportional to 23,578.77, 32,539.39 and 12,969.09

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Solution

The fourth proportional to 23,578.77, 32,539.39 and 12,969.09 is: 17,897.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,578.77 : 32,539.39 = 12,969.09 : x
  2. Step 2: Convert to fraction form
    23,578.77/32,539.39 = 12,969.09/x
  3. Step 3: Cross multiply
    23,578.77x = 32,539.39 × 12,969.09
  4. Step 4: Simplify right side
    23,578.77x = 422,006,277.46
  5. Step 5: Solve for x
    x = 422,006,277.46/23,578.77
  6. Step 6: Final answer
    x = 17,897.72

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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.