Home / 26,669.55-39,970.85-13,525.23

Finding the Fourth Proportional to 26,669.55, 39,970.85 and 13,525.23

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Solution

The fourth proportional to 26,669.55, 39,970.85 and 13,525.23 is: 20,270.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,669.55 : 39,970.85 = 13,525.23 : x
  2. Step 2: Convert to fraction form
    26,669.55/39,970.85 = 13,525.23/x
  3. Step 3: Cross multiply
    26,669.55x = 39,970.85 × 13,525.23
  4. Step 4: Simplify right side
    26,669.55x = 540,614,871.92
  5. Step 5: Solve for x
    x = 540,614,871.92/26,669.55
  6. Step 6: Final answer
    x = 20,270.87

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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.