Home / 21,034.15-29,026.61-11,602.51

Finding the Fourth Proportional to 21,034.15, 29,026.61 and 11,602.51

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Solution

The fourth proportional to 21,034.15, 29,026.61 and 11,602.51 is: 16,011.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,034.15 : 29,026.61 = 11,602.51 : x
  2. Step 2: Convert to fraction form
    21,034.15/29,026.61 = 11,602.51/x
  3. Step 3: Cross multiply
    21,034.15x = 29,026.61 × 11,602.51
  4. Step 4: Simplify right side
    21,034.15x = 336,781,532.79
  5. Step 5: Solve for x
    x = 336,781,532.79/21,034.15
  6. Step 6: Final answer
    x = 16,011.18

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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.