Home / 29,137.94-40,216.72-18,525.50

Finding the Fourth Proportional to 29,137.94, 40,216.72 and 18,525.50

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Solution

The fourth proportional to 29,137.94, 40,216.72 and 18,525.50 is: 25,569.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,137.94 : 40,216.72 = 18,525.50 : x
  2. Step 2: Convert to fraction form
    29,137.94/40,216.72 = 18,525.50/x
  3. Step 3: Cross multiply
    29,137.94x = 40,216.72 × 18,525.50
  4. Step 4: Simplify right side
    29,137.94x = 745,034,598.96
  5. Step 5: Solve for x
    x = 745,034,598.96/29,137.94
  6. Step 6: Final answer
    x = 25,569.23

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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.