Home / 25,900.09-38,818.17-13,412.93

Finding the Fourth Proportional to 25,900.09, 38,818.17 and 13,412.93

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Solution

The fourth proportional to 25,900.09, 38,818.17 and 13,412.93 is: 20,102.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,900.09 : 38,818.17 = 13,412.93 : x
  2. Step 2: Convert to fraction form
    25,900.09/38,818.17 = 13,412.93/x
  3. Step 3: Cross multiply
    25,900.09x = 38,818.17 × 13,412.93
  4. Step 4: Simplify right side
    25,900.09x = 520,665,396.94
  5. Step 5: Solve for x
    x = 520,665,396.94/25,900.09
  6. Step 6: Final answer
    x = 20,102.84

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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.