Home / 23,135.70-31,927.23-12,525.33

Finding the Fourth Proportional to 23,135.70, 31,927.23 and 12,525.33

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Solution

The fourth proportional to 23,135.70, 31,927.23 and 12,525.33 is: 17,284.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,135.70 : 31,927.23 = 12,525.33 : x
  2. Step 2: Convert to fraction form
    23,135.70/31,927.23 = 12,525.33/x
  3. Step 3: Cross multiply
    23,135.70x = 31,927.23 × 12,525.33
  4. Step 4: Simplify right side
    23,135.70x = 399,899,091.74
  5. Step 5: Solve for x
    x = 399,899,091.74/23,135.70
  6. Step 6: Final answer
    x = 17,284.94

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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.