Home / 29,296.36-40,429.48-15,868.16

Finding the Fourth Proportional to 29,296.36, 40,429.48 and 15,868.16

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Solution

The fourth proportional to 29,296.36, 40,429.48 and 15,868.16 is: 21,898.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,296.36 : 40,429.48 = 15,868.16 : x
  2. Step 2: Convert to fraction form
    29,296.36/40,429.48 = 15,868.16/x
  3. Step 3: Cross multiply
    29,296.36x = 40,429.48 × 15,868.16
  4. Step 4: Simplify right side
    29,296.36x = 641,541,457.36
  5. Step 5: Solve for x
    x = 641,541,457.36/29,296.36
  6. Step 6: Final answer
    x = 21,898.33

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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.