Home / 23,135.76-31,927.36-12,525.44

Finding the Fourth Proportional to 23,135.76, 31,927.36 and 12,525.44

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Solution

The fourth proportional to 23,135.76, 31,927.36 and 12,525.44 is: 17,285.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,135.76 : 31,927.36 = 12,525.44 : x
  2. Step 2: Convert to fraction form
    23,135.76/31,927.36 = 12,525.44/x
  3. Step 3: Cross multiply
    23,135.76x = 31,927.36 × 12,525.44
  4. Step 4: Simplify right side
    23,135.76x = 399,904,232.04
  5. Step 5: Solve for x
    x = 399,904,232.04/23,135.76
  6. Step 6: Final answer
    x = 17,285.11

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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.