Home / 15,516.83-23,278.93-4,423.68

Finding the Fourth Proportional to 15,516.83, 23,278.93 and 4,423.68

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Solution

The fourth proportional to 15,516.83, 23,278.93 and 4,423.68 is: 6,636.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,516.83 : 23,278.93 = 4,423.68 : x
  2. Step 2: Convert to fraction form
    15,516.83/23,278.93 = 4,423.68/x
  3. Step 3: Cross multiply
    15,516.83x = 23,278.93 × 4,423.68
  4. Step 4: Simplify right side
    15,516.83x = 102,978,526.00
  5. Step 5: Solve for x
    x = 102,978,526.00/15,516.83
  6. Step 6: Final answer
    x = 6,636.57

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1.5x scale

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.