Home / 15,456.96-23,133.60-12,683.52

Finding the Fourth Proportional to 15,456.96, 23,133.60 and 12,683.52

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Solution

The fourth proportional to 15,456.96, 23,133.60 and 12,683.52 is: 18,982.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,456.96 : 23,133.60 = 12,683.52 : x
  2. Step 2: Convert to fraction form
    15,456.96/23,133.60 = 12,683.52/x
  3. Step 3: Cross multiply
    15,456.96x = 23,133.60 × 12,683.52
  4. Step 4: Simplify right side
    15,456.96x = 293,415,478.27
  5. Step 5: Solve for x
    x = 293,415,478.27/15,456.96
  6. Step 6: Final answer
    x = 18,982.74

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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.