Home / 21,475.08-29,637.09-12,044.25

Finding the Fourth Proportional to 21,475.08, 29,637.09 and 12,044.25

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Solution

The fourth proportional to 21,475.08, 29,637.09 and 12,044.25 is: 16,621.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,475.08 : 29,637.09 = 12,044.25 : x
  2. Step 2: Convert to fraction form
    21,475.08/29,637.09 = 12,044.25/x
  3. Step 3: Cross multiply
    21,475.08x = 29,637.09 × 12,044.25
  4. Step 4: Simplify right side
    21,475.08x = 356,956,521.23
  5. Step 5: Solve for x
    x = 356,956,521.23/21,475.08
  6. Step 6: Final answer
    x = 16,621.89

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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.