Home / 19,423.32-26,803.20-11,039.64

Finding the Fourth Proportional to 19,423.32, 26,803.20 and 11,039.64

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Solution

The fourth proportional to 19,423.32, 26,803.20 and 11,039.64 is: 15,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423.32 : 26,803.20 = 11,039.64 : x
  2. Step 2: Convert to fraction form
    19,423.32/26,803.20 = 11,039.64/x
  3. Step 3: Cross multiply
    19,423.32x = 26,803.20 × 11,039.64
  4. Step 4: Simplify right side
    19,423.32x = 295,897,678.85
  5. Step 5: Solve for x
    x = 295,897,678.85/19,423.32
  6. Step 6: Final answer
    x = 15,234.15

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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.