Home / 22,683.40-31,301.33-12,611.23

Finding the Fourth Proportional to 22,683.40, 31,301.33 and 12,611.23

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Solution

The fourth proportional to 22,683.40, 31,301.33 and 12,611.23 is: 17,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,683.40 : 31,301.33 = 12,611.23 : x
  2. Step 2: Convert to fraction form
    22,683.40/31,301.33 = 12,611.23/x
  3. Step 3: Cross multiply
    22,683.40x = 31,301.33 × 12,611.23
  4. Step 4: Simplify right side
    22,683.40x = 394,748,130.63
  5. Step 5: Solve for x
    x = 394,748,130.63/22,683.40
  6. Step 6: Final answer
    x = 17,402.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.