Home / 13,632.01-20,445.63-3,636.88

Finding the Fourth Proportional to 13,632.01, 20,445.63 and 3,636.88

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Solution

The fourth proportional to 13,632.01, 20,445.63 and 3,636.88 is: 5,454.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.01 : 20,445.63 = 3,636.88 : x
  2. Step 2: Convert to fraction form
    13,632.01/20,445.63 = 3,636.88/x
  3. Step 3: Cross multiply
    13,632.01x = 20,445.63 × 3,636.88
  4. Step 4: Simplify right side
    13,632.01x = 74,358,302.83
  5. Step 5: Solve for x
    x = 74,358,302.83/13,632.01
  6. Step 6: Final answer
    x = 5,454.68

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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.