Home / 13,535.04-18,683.52-8,820.48

Finding the Fourth Proportional to 13,535.04, 18,683.52 and 8,820.48

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Solution

The fourth proportional to 13,535.04, 18,683.52 and 8,820.48 is: 12,175.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.04 : 18,683.52 = 8,820.48 : x
  2. Step 2: Convert to fraction form
    13,535.04/18,683.52 = 8,820.48/x
  3. Step 3: Cross multiply
    13,535.04x = 18,683.52 × 8,820.48
  4. Step 4: Simplify right side
    13,535.04x = 164,797,614.49
  5. Step 5: Solve for x
    x = 164,797,614.49/13,535.04
  6. Step 6: Final answer
    x = 12,175.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.