Home / 13,596.90-20,395.35-8,946.30

Finding the Fourth Proportional to 13,596.90, 20,395.35 and 8,946.30

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Solution

The fourth proportional to 13,596.90, 20,395.35 and 8,946.30 is: 13,419.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.90 : 20,395.35 = 8,946.30 : x
  2. Step 2: Convert to fraction form
    13,596.90/20,395.35 = 8,946.30/x
  3. Step 3: Cross multiply
    13,596.90x = 20,395.35 × 8,946.30
  4. Step 4: Simplify right side
    13,596.90x = 182,462,919.71
  5. Step 5: Solve for x
    x = 182,462,919.71/13,596.90
  6. Step 6: Final answer
    x = 13,419.45

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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.