Home / 22,659.03-31,269.69-12,588.09

Finding the Fourth Proportional to 22,659.03, 31,269.69 and 12,588.09

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Solution

The fourth proportional to 22,659.03, 31,269.69 and 12,588.09 is: 17,371.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,659.03 : 31,269.69 = 12,588.09 : x
  2. Step 2: Convert to fraction form
    22,659.03/31,269.69 = 12,588.09/x
  3. Step 3: Cross multiply
    22,659.03x = 31,269.69 × 12,588.09
  4. Step 4: Simplify right side
    22,659.03x = 393,625,671.99
  5. Step 5: Solve for x
    x = 393,625,671.99/22,659.03
  6. Step 6: Final answer
    x = 17,371.69

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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.