Home / 22,786.51-31,445.34-12,714.34

Finding the Fourth Proportional to 22,786.51, 31,445.34 and 12,714.34

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Solution

The fourth proportional to 22,786.51, 31,445.34 and 12,714.34 is: 17,545.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,786.51 : 31,445.34 = 12,714.34 : x
  2. Step 2: Convert to fraction form
    22,786.51/31,445.34 = 12,714.34/x
  3. Step 3: Cross multiply
    22,786.51x = 31,445.34 × 12,714.34
  4. Step 4: Simplify right side
    22,786.51x = 399,806,586.95
  5. Step 5: Solve for x
    x = 399,806,586.95/22,786.51
  6. Step 6: Final answer
    x = 17,545.76

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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.