Home / 19,049.62-26,288.87-11,400.81

Finding the Fourth Proportional to 19,049.62, 26,288.87 and 11,400.81

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Solution

The fourth proportional to 19,049.62, 26,288.87 and 11,400.81 is: 15,733.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,049.62 : 26,288.87 = 11,400.81 : x
  2. Step 2: Convert to fraction form
    19,049.62/26,288.87 = 11,400.81/x
  3. Step 3: Cross multiply
    19,049.62x = 26,288.87 × 11,400.81
  4. Step 4: Simplify right side
    19,049.62x = 299,714,312.45
  5. Step 5: Solve for x
    x = 299,714,312.45/19,049.62
  6. Step 6: Final answer
    x = 15,733.35

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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.