Home / 21,051.18-29,047.95-11,619.14

Finding the Fourth Proportional to 21,051.18, 29,047.95 and 11,619.14

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Solution

The fourth proportional to 21,051.18, 29,047.95 and 11,619.14 is: 16,032.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,051.18 : 29,047.95 = 11,619.14 : x
  2. Step 2: Convert to fraction form
    21,051.18/29,047.95 = 11,619.14/x
  3. Step 3: Cross multiply
    21,051.18x = 29,047.95 × 11,619.14
  4. Step 4: Simplify right side
    21,051.18x = 337,512,052.52
  5. Step 5: Solve for x
    x = 337,512,052.52/21,051.18
  6. Step 6: Final answer
    x = 16,032.93

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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.