Home / 15,307.20-22,961.34-4,918.68

Finding the Fourth Proportional to 15,307.20, 22,961.34 and 4,918.68

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Solution

The fourth proportional to 15,307.20, 22,961.34 and 4,918.68 is: 7,378.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307.20 : 22,961.34 = 4,918.68 : x
  2. Step 2: Convert to fraction form
    15,307.20/22,961.34 = 4,918.68/x
  3. Step 3: Cross multiply
    15,307.20x = 22,961.34 × 4,918.68
  4. Step 4: Simplify right side
    15,307.20x = 112,939,483.83
  5. Step 5: Solve for x
    x = 112,939,483.83/15,307.20
  6. Step 6: Final answer
    x = 7,378.19

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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.