Home / 22,673.85-31,285.08-13,719.57

Finding the Fourth Proportional to 22,673.85, 31,285.08 and 13,719.57

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Solution

The fourth proportional to 22,673.85, 31,285.08 and 13,719.57 is: 18,930.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,673.85 : 31,285.08 = 13,719.57 : x
  2. Step 2: Convert to fraction form
    22,673.85/31,285.08 = 13,719.57/x
  3. Step 3: Cross multiply
    22,673.85x = 31,285.08 × 13,719.57
  4. Step 4: Simplify right side
    22,673.85x = 429,217,845.02
  5. Step 5: Solve for x
    x = 429,217,845.02/22,673.85
  6. Step 6: Final answer
    x = 18,930.08

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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.