Home / 29,139.26-40,212.05-16,564.01

Finding the Fourth Proportional to 29,139.26, 40,212.05 and 16,564.01

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Solution

The fourth proportional to 29,139.26, 40,212.05 and 16,564.01 is: 22,858.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,139.26 : 40,212.05 = 16,564.01 : x
  2. Step 2: Convert to fraction form
    29,139.26/40,212.05 = 16,564.01/x
  3. Step 3: Cross multiply
    29,139.26x = 40,212.05 × 16,564.01
  4. Step 4: Simplify right side
    29,139.26x = 666,072,514.44
  5. Step 5: Solve for x
    x = 666,072,514.44/29,139.26
  6. Step 6: Final answer
    x = 22,858.25

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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.