Home / 13,184.32-19,775.04-3,323.60

Finding the Fourth Proportional to 13,184.32, 19,775.04 and 3,323.60

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Solution

The fourth proportional to 13,184.32, 19,775.04 and 3,323.60 is: 4,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.32 : 19,775.04 = 3,323.60 : x
  2. Step 2: Convert to fraction form
    13,184.32/19,775.04 = 3,323.60/x
  3. Step 3: Cross multiply
    13,184.32x = 19,775.04 × 3,323.60
  4. Step 4: Simplify right side
    13,184.32x = 65,724,322.94
  5. Step 5: Solve for x
    x = 65,724,322.94/13,184.32
  6. Step 6: Final answer
    x = 4,985.04

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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.