Home / 25,812.13-38,729.09-14,111.68

Finding the Fourth Proportional to 25,812.13, 38,729.09 and 14,111.68

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Solution

The fourth proportional to 25,812.13, 38,729.09 and 14,111.68 is: 21,173.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,812.13 : 38,729.09 = 14,111.68 : x
  2. Step 2: Convert to fraction form
    25,812.13/38,729.09 = 14,111.68/x
  3. Step 3: Cross multiply
    25,812.13x = 38,729.09 × 14,111.68
  4. Step 4: Simplify right side
    25,812.13x = 546,532,524.77
  5. Step 5: Solve for x
    x = 546,532,524.77/25,812.13
  6. Step 6: Final answer
    x = 21,173.48

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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.