Home / 15,099.84-22,657.91-8,872.02

Finding the Fourth Proportional to 15,099.84, 22,657.91 and 8,872.02

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Solution

The fourth proportional to 15,099.84, 22,657.91 and 8,872.02 is: 13,312.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,099.84 : 22,657.91 = 8,872.02 : x
  2. Step 2: Convert to fraction form
    15,099.84/22,657.91 = 8,872.02/x
  3. Step 3: Cross multiply
    15,099.84x = 22,657.91 × 8,872.02
  4. Step 4: Simplify right side
    15,099.84x = 201,021,430.68
  5. Step 5: Solve for x
    x = 201,021,430.68/15,099.84
  6. Step 6: Final answer
    x = 13,312.82

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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.