Home / 23,135.45-31,926.88-12,525.08

Finding the Fourth Proportional to 23,135.45, 31,926.88 and 12,525.08

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Solution

The fourth proportional to 23,135.45, 31,926.88 and 12,525.08 is: 17,284.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,135.45 : 31,926.88 = 12,525.08 : x
  2. Step 2: Convert to fraction form
    23,135.45/31,926.88 = 12,525.08/x
  3. Step 3: Cross multiply
    23,135.45x = 31,926.88 × 12,525.08
  4. Step 4: Simplify right side
    23,135.45x = 399,886,726.15
  5. Step 5: Solve for x
    x = 399,886,726.15/23,135.45
  6. Step 6: Final answer
    x = 17,284.59

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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.