Home / 21,052.14-29,051.98-11,620.70

Finding the Fourth Proportional to 21,052.14, 29,051.98 and 11,620.70

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Solution

The fourth proportional to 21,052.14, 29,051.98 and 11,620.70 is: 16,036.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.14 : 29,051.98 = 11,620.70 : x
  2. Step 2: Convert to fraction form
    21,052.14/29,051.98 = 11,620.70/x
  3. Step 3: Cross multiply
    21,052.14x = 29,051.98 × 11,620.70
  4. Step 4: Simplify right side
    21,052.14x = 337,604,343.99
  5. Step 5: Solve for x
    x = 337,604,343.99/21,052.14
  6. Step 6: Final answer
    x = 16,036.58

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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.