Home / 23,053.97-31,817.51-12,984.39

Finding the Fourth Proportional to 23,053.97, 31,817.51 and 12,984.39

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Solution

The fourth proportional to 23,053.97, 31,817.51 and 12,984.39 is: 17,920.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,053.97 : 31,817.51 = 12,984.39 : x
  2. Step 2: Convert to fraction form
    23,053.97/31,817.51 = 12,984.39/x
  3. Step 3: Cross multiply
    23,053.97x = 31,817.51 × 12,984.39
  4. Step 4: Simplify right side
    23,053.97x = 413,130,958.67
  5. Step 5: Solve for x
    x = 413,130,958.67/23,053.97
  6. Step 6: Final answer
    x = 17,920.17

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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.