Home / 25,603.08-38,389.50-10,002.60

Finding the Fourth Proportional to 25,603.08, 38,389.50 and 10,002.60

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Solution

The fourth proportional to 25,603.08, 38,389.50 and 10,002.60 is: 14,997.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,603.08 : 38,389.50 = 10,002.60 : x
  2. Step 2: Convert to fraction form
    25,603.08/38,389.50 = 10,002.60/x
  3. Step 3: Cross multiply
    25,603.08x = 38,389.50 × 10,002.60
  4. Step 4: Simplify right side
    25,603.08x = 383,994,812.70
  5. Step 5: Solve for x
    x = 383,994,812.70/25,603.08
  6. Step 6: Final answer
    x = 14,997.99

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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.