Home / 21,714.36-32,583.84-12,348.52

Finding the Fourth Proportional to 21,714.36, 32,583.84 and 12,348.52

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Solution

The fourth proportional to 21,714.36, 32,583.84 and 12,348.52 is: 18,529.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,714.36 : 32,583.84 = 12,348.52 : x
  2. Step 2: Convert to fraction form
    21,714.36/32,583.84 = 12,348.52/x
  3. Step 3: Cross multiply
    21,714.36x = 32,583.84 × 12,348.52
  4. Step 4: Simplify right side
    21,714.36x = 402,362,199.92
  5. Step 5: Solve for x
    x = 402,362,199.92/21,714.36
  6. Step 6: Final answer
    x = 18,529.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.