Home / 13,831.78-20,754.96-6,031.48

Finding the Fourth Proportional to 13,831.78, 20,754.96 and 6,031.48

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Solution

The fourth proportional to 13,831.78, 20,754.96 and 6,031.48 is: 9,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831.78 : 20,754.96 = 6,031.48 : x
  2. Step 2: Convert to fraction form
    13,831.78/20,754.96 = 6,031.48/x
  3. Step 3: Cross multiply
    13,831.78x = 20,754.96 × 6,031.48
  4. Step 4: Simplify right side
    13,831.78x = 125,183,126.14
  5. Step 5: Solve for x
    x = 125,183,126.14/13,831.78
  6. Step 6: Final answer
    x = 9,050.40

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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.