Home / 21,232.04-29,302.98-12,848.68

Finding the Fourth Proportional to 21,232.04, 29,302.98 and 12,848.68

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Solution

The fourth proportional to 21,232.04, 29,302.98 and 12,848.68 is: 17,732.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232.04 : 29,302.98 = 12,848.68 : x
  2. Step 2: Convert to fraction form
    21,232.04/29,302.98 = 12,848.68/x
  3. Step 3: Cross multiply
    21,232.04x = 29,302.98 × 12,848.68
  4. Step 4: Simplify right side
    21,232.04x = 376,504,613.07
  5. Step 5: Solve for x
    x = 376,504,613.07/21,232.04
  6. Step 6: Final answer
    x = 17,732.85

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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.