Home / 25,984.15-35,877.30-15,926.31

Finding the Fourth Proportional to 25,984.15, 35,877.30 and 15,926.31

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Solution

The fourth proportional to 25,984.15, 35,877.30 and 15,926.31 is: 21,990.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,984.15 : 35,877.30 = 15,926.31 : x
  2. Step 2: Convert to fraction form
    25,984.15/35,877.30 = 15,926.31/x
  3. Step 3: Cross multiply
    25,984.15x = 35,877.30 × 15,926.31
  4. Step 4: Simplify right side
    25,984.15x = 571,392,942.04
  5. Step 5: Solve for x
    x = 571,392,942.04/25,984.15
  6. Step 6: Final answer
    x = 21,990.06

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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.