Home / 25,740.36-38,575.62-10,930.71

Finding the Fourth Proportional to 25,740.36, 38,575.62 and 10,930.71

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Solution

The fourth proportional to 25,740.36, 38,575.62 and 10,930.71 is: 16,381.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,740.36 : 38,575.62 = 10,930.71 : x
  2. Step 2: Convert to fraction form
    25,740.36/38,575.62 = 10,930.71/x
  3. Step 3: Cross multiply
    25,740.36x = 38,575.62 × 10,930.71
  4. Step 4: Simplify right side
    25,740.36x = 421,658,915.29
  5. Step 5: Solve for x
    x = 421,658,915.29/25,740.36
  6. Step 6: Final answer
    x = 16,381.24

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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.