Home / 25,683.48-38,530.44-8,154.36

Finding the Fourth Proportional to 25,683.48, 38,530.44 and 8,154.36

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Solution

The fourth proportional to 25,683.48, 38,530.44 and 8,154.36 is: 12,233.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,683.48 : 38,530.44 = 8,154.36 : x
  2. Step 2: Convert to fraction form
    25,683.48/38,530.44 = 8,154.36/x
  3. Step 3: Cross multiply
    25,683.48x = 38,530.44 × 8,154.36
  4. Step 4: Simplify right side
    25,683.48x = 314,191,078.72
  5. Step 5: Solve for x
    x = 314,191,078.72/25,683.48
  6. Step 6: Final answer
    x = 12,233.20

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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.