Home / 29,008.61-43,525.31-12,145.55

Finding the Fourth Proportional to 29,008.61, 43,525.31 and 12,145.55

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Solution

The fourth proportional to 29,008.61, 43,525.31 and 12,145.55 is: 18,223.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,008.61 : 43,525.31 = 12,145.55 : x
  2. Step 2: Convert to fraction form
    29,008.61/43,525.31 = 12,145.55/x
  3. Step 3: Cross multiply
    29,008.61x = 43,525.31 × 12,145.55
  4. Step 4: Simplify right side
    29,008.61x = 528,638,828.87
  5. Step 5: Solve for x
    x = 528,638,828.87/29,008.61
  6. Step 6: Final answer
    x = 18,223.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.