Home / 25,915.86-38,863.33-10,118.63

Finding the Fourth Proportional to 25,915.86, 38,863.33 and 10,118.63

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Solution

The fourth proportional to 25,915.86, 38,863.33 and 10,118.63 is: 15,173.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,915.86 : 38,863.33 = 10,118.63 : x
  2. Step 2: Convert to fraction form
    25,915.86/38,863.33 = 10,118.63/x
  3. Step 3: Cross multiply
    25,915.86x = 38,863.33 × 10,118.63
  4. Step 4: Simplify right side
    25,915.86x = 393,243,728.70
  5. Step 5: Solve for x
    x = 393,243,728.70/25,915.86
  6. Step 6: Final answer
    x = 15,173.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.