Home / 22,985.50-31,721.34-17,310.23

Finding the Fourth Proportional to 22,985.50, 31,721.34 and 17,310.23

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Solution

The fourth proportional to 22,985.50, 31,721.34 and 17,310.23 is: 23,889.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,985.50 : 31,721.34 = 17,310.23 : x
  2. Step 2: Convert to fraction form
    22,985.50/31,721.34 = 17,310.23/x
  3. Step 3: Cross multiply
    22,985.50x = 31,721.34 × 17,310.23
  4. Step 4: Simplify right side
    22,985.50x = 549,103,691.31
  5. Step 5: Solve for x
    x = 549,103,691.31/22,985.50
  6. Step 6: Final answer
    x = 23,889.13

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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.