Home / 13,597.61-20,395.60-4,109.74

Finding the Fourth Proportional to 13,597.61, 20,395.60 and 4,109.74

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Solution

The fourth proportional to 13,597.61, 20,395.60 and 4,109.74 is: 6,164.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,597.61 : 20,395.60 = 4,109.74 : x
  2. Step 2: Convert to fraction form
    13,597.61/20,395.60 = 4,109.74/x
  3. Step 3: Cross multiply
    13,597.61x = 20,395.60 × 4,109.74
  4. Step 4: Simplify right side
    13,597.61x = 83,820,551.88
  5. Step 5: Solve for x
    x = 83,820,551.88/13,597.61
  6. Step 6: Final answer
    x = 6,164.36

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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.