Home / 25,607.51-38,406.40-8,072.63

Finding the Fourth Proportional to 25,607.51, 38,406.40 and 8,072.63

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Solution

The fourth proportional to 25,607.51, 38,406.40 and 8,072.63 is: 12,107.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,607.51 : 38,406.40 = 8,072.63 : x
  2. Step 2: Convert to fraction form
    25,607.51/38,406.40 = 8,072.63/x
  3. Step 3: Cross multiply
    25,607.51x = 38,406.40 × 8,072.63
  4. Step 4: Simplify right side
    25,607.51x = 310,040,656.83
  5. Step 5: Solve for x
    x = 310,040,656.83/25,607.51
  6. Step 6: Final answer
    x = 12,107.41

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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.