Home / 23,135.40-31,926.79-12,525.03

Finding the Fourth Proportional to 23,135.40, 31,926.79 and 12,525.03

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Solution

The fourth proportional to 23,135.40, 31,926.79 and 12,525.03 is: 17,284.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,135.40 : 31,926.79 = 12,525.03 : x
  2. Step 2: Convert to fraction form
    23,135.40/31,926.79 = 12,525.03/x
  3. Step 3: Cross multiply
    23,135.40x = 31,926.79 × 12,525.03
  4. Step 4: Simplify right side
    23,135.40x = 399,884,002.55
  5. Step 5: Solve for x
    x = 399,884,002.55/23,135.40
  6. Step 6: Final answer
    x = 17,284.51

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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.