Home / 13,683.38-20,525.94-5,784.42

Finding the Fourth Proportional to 13,683.38, 20,525.94 and 5,784.42

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Solution

The fourth proportional to 13,683.38, 20,525.94 and 5,784.42 is: 8,677.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683.38 : 20,525.94 = 5,784.42 : x
  2. Step 2: Convert to fraction form
    13,683.38/20,525.94 = 5,784.42/x
  3. Step 3: Cross multiply
    13,683.38x = 20,525.94 × 5,784.42
  4. Step 4: Simplify right side
    13,683.38x = 118,730,669.23
  5. Step 5: Solve for x
    x = 118,730,669.23/13,683.38
  6. Step 6: Final answer
    x = 8,677.00

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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.