Home / 13,184.39-19,776.35-3,323.45

Finding the Fourth Proportional to 13,184.39, 19,776.35 and 3,323.45

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Solution

The fourth proportional to 13,184.39, 19,776.35 and 3,323.45 is: 4,985.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.39 : 19,776.35 = 3,323.45 : x
  2. Step 2: Convert to fraction form
    13,184.39/19,776.35 = 3,323.45/x
  3. Step 3: Cross multiply
    13,184.39x = 19,776.35 × 3,323.45
  4. Step 4: Simplify right side
    13,184.39x = 65,725,710.41
  5. Step 5: Solve for x
    x = 65,725,710.41/13,184.39
  6. Step 6: Final answer
    x = 4,985.12

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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.