Home / 15,172.07-22,758.12-4,784.63

Finding the Fourth Proportional to 15,172.07, 22,758.12 and 4,784.63

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Solution

The fourth proportional to 15,172.07, 22,758.12 and 4,784.63 is: 7,176.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172.07 : 22,758.12 = 4,784.63 : x
  2. Step 2: Convert to fraction form
    15,172.07/22,758.12 = 4,784.63/x
  3. Step 3: Cross multiply
    15,172.07x = 22,758.12 × 4,784.63
  4. Step 4: Simplify right side
    15,172.07x = 108,889,069.91
  5. Step 5: Solve for x
    x = 108,889,069.91/15,172.07
  6. Step 6: Final answer
    x = 7,176.94

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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.