Home / 29,427.63-40,609.65-15,999.23

Finding the Fourth Proportional to 29,427.63, 40,609.65 and 15,999.23

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Solution

The fourth proportional to 29,427.63, 40,609.65 and 15,999.23 is: 22,078.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,427.63 : 40,609.65 = 15,999.23 : x
  2. Step 2: Convert to fraction form
    29,427.63/40,609.65 = 15,999.23/x
  3. Step 3: Cross multiply
    29,427.63x = 40,609.65 × 15,999.23
  4. Step 4: Simplify right side
    29,427.63x = 649,723,130.57
  5. Step 5: Solve for x
    x = 649,723,130.57/29,427.63
  6. Step 6: Final answer
    x = 22,078.68

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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.