Home / 21,051.09-29,044.73-12,098.06

Finding the Fourth Proportional to 21,051.09, 29,044.73 and 12,098.06

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Solution

The fourth proportional to 21,051.09, 29,044.73 and 12,098.06 is: 16,692.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,051.09 : 29,044.73 = 12,098.06 : x
  2. Step 2: Convert to fraction form
    21,051.09/29,044.73 = 12,098.06/x
  3. Step 3: Cross multiply
    21,051.09x = 29,044.73 × 12,098.06
  4. Step 4: Simplify right side
    21,051.09x = 351,384,812.11
  5. Step 5: Solve for x
    x = 351,384,812.11/21,051.09
  6. Step 6: Final answer
    x = 16,692.00

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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.