Home / 21,477.42-29,638.44-12,046.01

Finding the Fourth Proportional to 21,477.42, 29,638.44 and 12,046.01

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Solution

The fourth proportional to 21,477.42, 29,638.44 and 12,046.01 is: 16,623.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,477.42 : 29,638.44 = 12,046.01 : x
  2. Step 2: Convert to fraction form
    21,477.42/29,638.44 = 12,046.01/x
  3. Step 3: Cross multiply
    21,477.42x = 29,638.44 × 12,046.01
  4. Step 4: Simplify right side
    21,477.42x = 357,024,796.43
  5. Step 5: Solve for x
    x = 357,024,796.43/21,477.42
  6. Step 6: Final answer
    x = 16,623.26

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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.