Home / 35,553.10-53,296.70-13,381.18

Finding the Fourth Proportional to 35,553.10, 53,296.70 and 13,381.18

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Solution

The fourth proportional to 35,553.10, 53,296.70 and 13,381.18 is: 20,059.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,553.10 : 53,296.70 = 13,381.18 : x
  2. Step 2: Convert to fraction form
    35,553.10/53,296.70 = 13,381.18/x
  3. Step 3: Cross multiply
    35,553.10x = 53,296.70 × 13,381.18
  4. Step 4: Simplify right side
    35,553.10x = 713,172,736.11
  5. Step 5: Solve for x
    x = 713,172,736.11/35,553.10
  6. Step 6: Final answer
    x = 20,059.37

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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.