Home / 23,021.21-34,523.98-8,980.13

Finding the Fourth Proportional to 23,021.21, 34,523.98 and 8,980.13

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Solution

The fourth proportional to 23,021.21, 34,523.98 and 8,980.13 is: 13,467.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,021.21 : 34,523.98 = 8,980.13 : x
  2. Step 2: Convert to fraction form
    23,021.21/34,523.98 = 8,980.13/x
  3. Step 3: Cross multiply
    23,021.21x = 34,523.98 × 8,980.13
  4. Step 4: Simplify right side
    23,021.21x = 310,029,828.52
  5. Step 5: Solve for x
    x = 310,029,828.52/23,021.21
  6. Step 6: Final answer
    x = 13,467.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.