Home / 15,993.85-22,060.08-13,865.57

Finding the Fourth Proportional to 15,993.85, 22,060.08 and 13,865.57

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Solution

The fourth proportional to 15,993.85, 22,060.08 and 13,865.57 is: 19,124.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,993.85 : 22,060.08 = 13,865.57 : x
  2. Step 2: Convert to fraction form
    15,993.85/22,060.08 = 13,865.57/x
  3. Step 3: Cross multiply
    15,993.85x = 22,060.08 × 13,865.57
  4. Step 4: Simplify right side
    15,993.85x = 305,875,514.12
  5. Step 5: Solve for x
    x = 305,875,514.12/15,993.85
  6. Step 6: Final answer
    x = 19,124.58

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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.