Home / 25,281.10-37,910.58-8,636.68

Finding the Fourth Proportional to 25,281.10, 37,910.58 and 8,636.68

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Solution

The fourth proportional to 25,281.10, 37,910.58 and 8,636.68 is: 12,951.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281.10 : 37,910.58 = 8,636.68 : x
  2. Step 2: Convert to fraction form
    25,281.10/37,910.58 = 8,636.68/x
  3. Step 3: Cross multiply
    25,281.10x = 37,910.58 × 8,636.68
  4. Step 4: Simplify right side
    25,281.10x = 327,421,548.07
  5. Step 5: Solve for x
    x = 327,421,548.07/25,281.10
  6. Step 6: Final answer
    x = 12,951.24

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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.