Home / 13,656.04-20,485.28-5,863.03

Finding the Fourth Proportional to 13,656.04, 20,485.28 and 5,863.03

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Solution

The fourth proportional to 13,656.04, 20,485.28 and 5,863.03 is: 8,795.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656.04 : 20,485.28 = 5,863.03 : x
  2. Step 2: Convert to fraction form
    13,656.04/20,485.28 = 5,863.03/x
  3. Step 3: Cross multiply
    13,656.04x = 20,485.28 × 5,863.03
  4. Step 4: Simplify right side
    13,656.04x = 120,105,811.20
  5. Step 5: Solve for x
    x = 120,105,811.20/13,656.04
  6. Step 6: Final answer
    x = 8,795.07

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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.