Home / 25,632.70-38,435.34-13,147.62

Finding the Fourth Proportional to 25,632.70, 38,435.34 and 13,147.62

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Solution

The fourth proportional to 25,632.70, 38,435.34 and 13,147.62 is: 19,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,632.70 : 38,435.34 = 13,147.62 : x
  2. Step 2: Convert to fraction form
    25,632.70/38,435.34 = 13,147.62/x
  3. Step 3: Cross multiply
    25,632.70x = 38,435.34 × 13,147.62
  4. Step 4: Simplify right side
    25,632.70x = 505,333,244.89
  5. Step 5: Solve for x
    x = 505,333,244.89/25,632.70
  6. Step 6: Final answer
    x = 19,714.40

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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.