Home / 25,683.40-38,438.70-23,609.80

Finding the Fourth Proportional to 25,683.40, 38,438.70 and 23,609.80

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Solution

The fourth proportional to 25,683.40, 38,438.70 and 23,609.80 is: 35,335.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,683.40 : 38,438.70 = 23,609.80 : x
  2. Step 2: Convert to fraction form
    25,683.40/38,438.70 = 23,609.80/x
  3. Step 3: Cross multiply
    25,683.40x = 38,438.70 × 23,609.80
  4. Step 4: Simplify right side
    25,683.40x = 907,530,019.26
  5. Step 5: Solve for x
    x = 907,530,019.26/25,683.40
  6. Step 6: Final answer
    x = 35,335.28

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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.