Home / 15,615.68-23,421.88-4,524.08

Finding the Fourth Proportional to 15,615.68, 23,421.88 and 4,524.08

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Solution

The fourth proportional to 15,615.68, 23,421.88 and 4,524.08 is: 6,785.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.68 : 23,421.88 = 4,524.08 : x
  2. Step 2: Convert to fraction form
    15,615.68/23,421.88 = 4,524.08/x
  3. Step 3: Cross multiply
    15,615.68x = 23,421.88 × 4,524.08
  4. Step 4: Simplify right side
    15,615.68x = 105,962,458.87
  5. Step 5: Solve for x
    x = 105,962,458.87/15,615.68
  6. Step 6: Final answer
    x = 6,785.64

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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.