Home / 13,684.33-20,526.36-4,324.35

Finding the Fourth Proportional to 13,684.33, 20,526.36 and 4,324.35

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Solution

The fourth proportional to 13,684.33, 20,526.36 and 4,324.35 is: 6,486.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684.33 : 20,526.36 = 4,324.35 : x
  2. Step 2: Convert to fraction form
    13,684.33/20,526.36 = 4,324.35/x
  3. Step 3: Cross multiply
    13,684.33x = 20,526.36 × 4,324.35
  4. Step 4: Simplify right side
    13,684.33x = 88,763,088.92
  5. Step 5: Solve for x
    x = 88,763,088.92/13,684.33
  6. Step 6: Final answer
    x = 6,486.48

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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.