Home / 23,167.35-31,970.97-12,556.89

Finding the Fourth Proportional to 23,167.35, 31,970.97 and 12,556.89

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Solution

The fourth proportional to 23,167.35, 31,970.97 and 12,556.89 is: 17,328.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,167.35 : 31,970.97 = 12,556.89 : x
  2. Step 2: Convert to fraction form
    23,167.35/31,970.97 = 12,556.89/x
  3. Step 3: Cross multiply
    23,167.35x = 31,970.97 × 12,556.89
  4. Step 4: Simplify right side
    23,167.35x = 401,455,953.48
  5. Step 5: Solve for x
    x = 401,455,953.48/23,167.35
  6. Step 6: Final answer
    x = 17,328.52

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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.