Home / 16,976.13-23,424.23-9,421.26

Finding the Fourth Proportional to 16,976.13, 23,424.23 and 9,421.26

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Solution

The fourth proportional to 16,976.13, 23,424.23 and 9,421.26 is: 12,999.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,976.13 : 23,424.23 = 9,421.26 : x
  2. Step 2: Convert to fraction form
    16,976.13/23,424.23 = 9,421.26/x
  3. Step 3: Cross multiply
    16,976.13x = 23,424.23 × 9,421.26
  4. Step 4: Simplify right side
    16,976.13x = 220,685,714.02
  5. Step 5: Solve for x
    x = 220,685,714.02/16,976.13
  6. Step 6: Final answer
    x = 12,999.77

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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.