Home / 21,674.48-32,516.36-6,884.56

Finding the Fourth Proportional to 21,674.48, 32,516.36 and 6,884.56

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Solution

The fourth proportional to 21,674.48, 32,516.36 and 6,884.56 is: 10,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,674.48 : 32,516.36 = 6,884.56 : x
  2. Step 2: Convert to fraction form
    21,674.48/32,516.36 = 6,884.56/x
  3. Step 3: Cross multiply
    21,674.48x = 32,516.36 × 6,884.56
  4. Step 4: Simplify right side
    21,674.48x = 223,860,831.40
  5. Step 5: Solve for x
    x = 223,860,831.40/21,674.48
  6. Step 6: Final answer
    x = 10,328.31

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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.