Home / 25,998.08-35,872.08-15,389.24

Finding the Fourth Proportional to 25,998.08, 35,872.08 and 15,389.24

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Solution

The fourth proportional to 25,998.08, 35,872.08 and 15,389.24 is: 21,234.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,998.08 : 35,872.08 = 15,389.24 : x
  2. Step 2: Convert to fraction form
    25,998.08/35,872.08 = 15,389.24/x
  3. Step 3: Cross multiply
    25,998.08x = 35,872.08 × 15,389.24
  4. Step 4: Simplify right side
    25,998.08x = 552,044,048.42
  5. Step 5: Solve for x
    x = 552,044,048.42/25,998.08
  6. Step 6: Final answer
    x = 21,234.03

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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.