Home / 14,561.76-21,809.76-11,937.36

Finding the Fourth Proportional to 14,561.76, 21,809.76 and 11,937.36

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Solution

The fourth proportional to 14,561.76, 21,809.76 and 11,937.36 is: 17,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,561.76 : 21,809.76 = 11,937.36 : x
  2. Step 2: Convert to fraction form
    14,561.76/21,809.76 = 11,937.36/x
  3. Step 3: Cross multiply
    14,561.76x = 21,809.76 × 11,937.36
  4. Step 4: Simplify right side
    14,561.76x = 260,350,956.63
  5. Step 5: Solve for x
    x = 260,350,956.63/14,561.76
  6. Step 6: Final answer
    x = 17,879.09

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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.