Home / 13,894.30-20,886.61-11,151.03

Finding the Fourth Proportional to 13,894.30, 20,886.61 and 11,151.03

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Solution

The fourth proportional to 13,894.30, 20,886.61 and 11,151.03 is: 16,762.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894.30 : 20,886.61 = 11,151.03 : x
  2. Step 2: Convert to fraction form
    13,894.30/20,886.61 = 11,151.03/x
  3. Step 3: Cross multiply
    13,894.30x = 20,886.61 × 11,151.03
  4. Step 4: Simplify right side
    13,894.30x = 232,907,214.71
  5. Step 5: Solve for x
    x = 232,907,214.71/13,894.30
  6. Step 6: Final answer
    x = 16,762.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.