Home / 25,041.81-37,563.93-20,651.25

Finding the Fourth Proportional to 25,041.81, 37,563.93 and 20,651.25

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Solution

The fourth proportional to 25,041.81, 37,563.93 and 20,651.25 is: 30,977.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,041.81 : 37,563.93 = 20,651.25 : x
  2. Step 2: Convert to fraction form
    25,041.81/37,563.93 = 20,651.25/x
  3. Step 3: Cross multiply
    25,041.81x = 37,563.93 × 20,651.25
  4. Step 4: Simplify right side
    25,041.81x = 775,742,109.41
  5. Step 5: Solve for x
    x = 775,742,109.41/25,041.81
  6. Step 6: Final answer
    x = 30,977.88

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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.