Home / 29,468.04-40,666.78-18,144.07

Finding the Fourth Proportional to 29,468.04, 40,666.78 and 18,144.07

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Solution

The fourth proportional to 29,468.04, 40,666.78 and 18,144.07 is: 25,039.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,468.04 : 40,666.78 = 18,144.07 : x
  2. Step 2: Convert to fraction form
    29,468.04/40,666.78 = 18,144.07/x
  3. Step 3: Cross multiply
    29,468.04x = 40,666.78 × 18,144.07
  4. Step 4: Simplify right side
    29,468.04x = 737,860,772.78
  5. Step 5: Solve for x
    x = 737,860,772.78/29,468.04
  6. Step 6: Final answer
    x = 25,039.36

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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.