Home / 29,296.56-40,428.36-16,720.68

Finding the Fourth Proportional to 29,296.56, 40,428.36 and 16,720.68

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Solution

The fourth proportional to 29,296.56, 40,428.36 and 16,720.68 is: 23,074.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,296.56 : 40,428.36 = 16,720.68 : x
  2. Step 2: Convert to fraction form
    29,296.56/40,428.36 = 16,720.68/x
  3. Step 3: Cross multiply
    29,296.56x = 40,428.36 × 16,720.68
  4. Step 4: Simplify right side
    29,296.56x = 675,989,670.48
  5. Step 5: Solve for x
    x = 675,989,670.48/29,296.56
  6. Step 6: Final answer
    x = 23,074.03

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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.