Home / 13,915.27-20,873.74-4,556.28

Finding the Fourth Proportional to 13,915.27, 20,873.74 and 4,556.28

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Solution

The fourth proportional to 13,915.27, 20,873.74 and 4,556.28 is: 6,834.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915.27 : 20,873.74 = 4,556.28 : x
  2. Step 2: Convert to fraction form
    13,915.27/20,873.74 = 4,556.28/x
  3. Step 3: Cross multiply
    13,915.27x = 20,873.74 × 4,556.28
  4. Step 4: Simplify right side
    13,915.27x = 95,106,499.72
  5. Step 5: Solve for x
    x = 95,106,499.72/13,915.27
  6. Step 6: Final answer
    x = 6,834.69

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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.