Home / 15,152.24-20,884.56-11,607.68

Finding the Fourth Proportional to 15,152.24, 20,884.56 and 11,607.68

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Solution

The fourth proportional to 15,152.24, 20,884.56 and 11,607.68 is: 15,999.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,152.24 : 20,884.56 = 11,607.68 : x
  2. Step 2: Convert to fraction form
    15,152.24/20,884.56 = 11,607.68/x
  3. Step 3: Cross multiply
    15,152.24x = 20,884.56 × 11,607.68
  4. Step 4: Simplify right side
    15,152.24x = 242,421,289.42
  5. Step 5: Solve for x
    x = 242,421,289.42/15,152.24
  6. Step 6: Final answer
    x = 15,999.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.