Home / 22,865.85-31,559.78-13,916.24

Finding the Fourth Proportional to 22,865.85, 31,559.78 and 13,916.24

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Solution

The fourth proportional to 22,865.85, 31,559.78 and 13,916.24 is: 19,207.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,865.85 : 31,559.78 = 13,916.24 : x
  2. Step 2: Convert to fraction form
    22,865.85/31,559.78 = 13,916.24/x
  3. Step 3: Cross multiply
    22,865.85x = 31,559.78 × 13,916.24
  4. Step 4: Simplify right side
    22,865.85x = 439,193,245.45
  5. Step 5: Solve for x
    x = 439,193,245.45/22,865.85
  6. Step 6: Final answer
    x = 19,207.39

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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.