Home / 23,135.49-31,926.83-12,525.05

Finding the Fourth Proportional to 23,135.49, 31,926.83 and 12,525.05

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Solution

The fourth proportional to 23,135.49, 31,926.83 and 12,525.05 is: 17,284.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,135.49 : 31,926.83 = 12,525.05 : x
  2. Step 2: Convert to fraction form
    23,135.49/31,926.83 = 12,525.05/x
  3. Step 3: Cross multiply
    23,135.49x = 31,926.83 × 12,525.05
  4. Step 4: Simplify right side
    23,135.49x = 399,884,979.69
  5. Step 5: Solve for x
    x = 399,884,979.69/23,135.49
  6. Step 6: Final answer
    x = 17,284.48

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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.