Home / 29,372.08-40,532.37-15,943.05

Finding the Fourth Proportional to 29,372.08, 40,532.37 and 15,943.05

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Solution

The fourth proportional to 29,372.08, 40,532.37 and 15,943.05 is: 22,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,372.08 : 40,532.37 = 15,943.05 : x
  2. Step 2: Convert to fraction form
    29,372.08/40,532.37 = 15,943.05/x
  3. Step 3: Cross multiply
    29,372.08x = 40,532.37 × 15,943.05
  4. Step 4: Simplify right side
    29,372.08x = 646,209,398.87
  5. Step 5: Solve for x
    x = 646,209,398.87/29,372.08
  6. Step 6: Final answer
    x = 22,000.80

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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.