Home / 23,135.15-31,926.45-12,524.78

Finding the Fourth Proportional to 23,135.15, 31,926.45 and 12,524.78

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Solution

The fourth proportional to 23,135.15, 31,926.45 and 12,524.78 is: 17,284.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,135.15 : 31,926.45 = 12,524.78 : x
  2. Step 2: Convert to fraction form
    23,135.15/31,926.45 = 12,524.78/x
  3. Step 3: Cross multiply
    23,135.15x = 31,926.45 × 12,524.78
  4. Step 4: Simplify right side
    23,135.15x = 399,871,602.80
  5. Step 5: Solve for x
    x = 399,871,602.80/23,135.15
  6. Step 6: Final answer
    x = 17,284.16

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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.