Home / 23,044.50-31,799.52-12,969.72

Finding the Fourth Proportional to 23,044.50, 31,799.52 and 12,969.72

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Solution

The fourth proportional to 23,044.50, 31,799.52 and 12,969.72 is: 17,897.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,044.50 : 31,799.52 = 12,969.72 : x
  2. Step 2: Convert to fraction form
    23,044.50/31,799.52 = 12,969.72/x
  3. Step 3: Cross multiply
    23,044.50x = 31,799.52 × 12,969.72
  4. Step 4: Simplify right side
    23,044.50x = 412,430,870.53
  5. Step 5: Solve for x
    x = 412,430,870.53/23,044.50
  6. Step 6: Final answer
    x = 17,897.15

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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.