Home / 19,131.14-26,400.84-10,747.64

Finding the Fourth Proportional to 19,131.14, 26,400.84 and 10,747.64

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Solution

The fourth proportional to 19,131.14, 26,400.84 and 10,747.64 is: 14,831.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131.14 : 26,400.84 = 10,747.64 : x
  2. Step 2: Convert to fraction form
    19,131.14/26,400.84 = 10,747.64/x
  3. Step 3: Cross multiply
    19,131.14x = 26,400.84 × 10,747.64
  4. Step 4: Simplify right side
    19,131.14x = 283,746,749.72
  5. Step 5: Solve for x
    x = 283,746,749.72/19,131.14
  6. Step 6: Final answer
    x = 14,831.67

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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.