Home / 16,828.14-23,221.49-9,755.01

Finding the Fourth Proportional to 16,828.14, 23,221.49 and 9,755.01

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Solution

The fourth proportional to 16,828.14, 23,221.49 and 9,755.01 is: 13,461.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,828.14 : 23,221.49 = 9,755.01 : x
  2. Step 2: Convert to fraction form
    16,828.14/23,221.49 = 9,755.01/x
  3. Step 3: Cross multiply
    16,828.14x = 23,221.49 × 9,755.01
  4. Step 4: Simplify right side
    16,828.14x = 226,525,818.39
  5. Step 5: Solve for x
    x = 226,525,818.39/16,828.14
  6. Step 6: Final answer
    x = 13,461.13

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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.