Home / 25,040.58-34,555.68-14,431.20

Finding the Fourth Proportional to 25,040.58, 34,555.68 and 14,431.20

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Solution

The fourth proportional to 25,040.58, 34,555.68 and 14,431.20 is: 19,914.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,040.58 : 34,555.68 = 14,431.20 : x
  2. Step 2: Convert to fraction form
    25,040.58/34,555.68 = 14,431.20/x
  3. Step 3: Cross multiply
    25,040.58x = 34,555.68 × 14,431.20
  4. Step 4: Simplify right side
    25,040.58x = 498,679,929.22
  5. Step 5: Solve for x
    x = 498,679,929.22/25,040.58
  6. Step 6: Final answer
    x = 19,914.87

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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.