Home / 25,312.42-34,940.46-15,241.36

Finding the Fourth Proportional to 25,312.42, 34,940.46 and 15,241.36

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Solution

The fourth proportional to 25,312.42, 34,940.46 and 15,241.36 is: 21,038.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,312.42 : 34,940.46 = 15,241.36 : x
  2. Step 2: Convert to fraction form
    25,312.42/34,940.46 = 15,241.36/x
  3. Step 3: Cross multiply
    25,312.42x = 34,940.46 × 15,241.36
  4. Step 4: Simplify right side
    25,312.42x = 532,540,129.43
  5. Step 5: Solve for x
    x = 532,540,129.43/25,312.42
  6. Step 6: Final answer
    x = 21,038.69

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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.