Home / 25,442.42-35,112.91-14,687.64

Finding the Fourth Proportional to 25,442.42, 35,112.91 and 14,687.64

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Solution

The fourth proportional to 25,442.42, 35,112.91 and 14,687.64 is: 20,270.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,442.42 : 35,112.91 = 14,687.64 : x
  2. Step 2: Convert to fraction form
    25,442.42/35,112.91 = 14,687.64/x
  3. Step 3: Cross multiply
    25,442.42x = 35,112.91 × 14,687.64
  4. Step 4: Simplify right side
    25,442.42x = 515,725,744.71
  5. Step 5: Solve for x
    x = 515,725,744.71/25,442.42
  6. Step 6: Final answer
    x = 20,270.31

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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.