Home / 20,038.75-27,650.36-11,541.24

Finding the Fourth Proportional to 20,038.75, 27,650.36 and 11,541.24

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Solution

The fourth proportional to 20,038.75, 27,650.36 and 11,541.24 is: 15,925.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.75 : 27,650.36 = 11,541.24 : x
  2. Step 2: Convert to fraction form
    20,038.75/27,650.36 = 11,541.24/x
  3. Step 3: Cross multiply
    20,038.75x = 27,650.36 × 11,541.24
  4. Step 4: Simplify right side
    20,038.75x = 319,119,469.70
  5. Step 5: Solve for x
    x = 319,119,469.70/20,038.75
  6. Step 6: Final answer
    x = 15,925.12

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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.