Home / 25,122.39-37,680.67-13,271.41

Finding the Fourth Proportional to 25,122.39, 37,680.67 and 13,271.41

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Solution

The fourth proportional to 25,122.39, 37,680.67 and 13,271.41 is: 19,905.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,122.39 : 37,680.67 = 13,271.41 : x
  2. Step 2: Convert to fraction form
    25,122.39/37,680.67 = 13,271.41/x
  3. Step 3: Cross multiply
    25,122.39x = 37,680.67 × 13,271.41
  4. Step 4: Simplify right side
    25,122.39x = 500,075,620.64
  5. Step 5: Solve for x
    x = 500,075,620.64/25,122.39
  6. Step 6: Final answer
    x = 19,905.58

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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.