Home / 14,610.47-21,915.99-4,749.72

Finding the Fourth Proportional to 14,610.47, 21,915.99 and 4,749.72

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Solution

The fourth proportional to 14,610.47, 21,915.99 and 4,749.72 is: 7,124.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.47 : 21,915.99 = 4,749.72 : x
  2. Step 2: Convert to fraction form
    14,610.47/21,915.99 = 4,749.72/x
  3. Step 3: Cross multiply
    14,610.47x = 21,915.99 × 4,749.72
  4. Step 4: Simplify right side
    14,610.47x = 104,094,816.02
  5. Step 5: Solve for x
    x = 104,094,816.02/14,610.47
  6. Step 6: Final answer
    x = 7,124.68

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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.