Home / 13,683.06-20,524.59-7,835.58

Finding the Fourth Proportional to 13,683.06, 20,524.59 and 7,835.58

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Solution

The fourth proportional to 13,683.06, 20,524.59 and 7,835.58 is: 11,753.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683.06 : 20,524.59 = 7,835.58 : x
  2. Step 2: Convert to fraction form
    13,683.06/20,524.59 = 7,835.58/x
  3. Step 3: Cross multiply
    13,683.06x = 20,524.59 × 7,835.58
  4. Step 4: Simplify right side
    13,683.06x = 160,822,066.91
  5. Step 5: Solve for x
    x = 160,822,066.91/13,683.06
  6. Step 6: Final answer
    x = 11,753.37

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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.