Home / 25,708.55-38,548.99-13,868.68

Finding the Fourth Proportional to 25,708.55, 38,548.99 and 13,868.68

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Solution

The fourth proportional to 25,708.55, 38,548.99 and 13,868.68 is: 20,795.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,708.55 : 38,548.99 = 13,868.68 : x
  2. Step 2: Convert to fraction form
    25,708.55/38,548.99 = 13,868.68/x
  3. Step 3: Cross multiply
    25,708.55x = 38,548.99 × 13,868.68
  4. Step 4: Simplify right side
    25,708.55x = 534,623,606.63
  5. Step 5: Solve for x
    x = 534,623,606.63/25,708.55
  6. Step 6: Final answer
    x = 20,795.56

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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.