Home / 25,420.23-35,078.91-14,090.22

Finding the Fourth Proportional to 25,420.23, 35,078.91 and 14,090.22

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Solution

The fourth proportional to 25,420.23, 35,078.91 and 14,090.22 is: 19,443.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,420.23 : 35,078.91 = 14,090.22 : x
  2. Step 2: Convert to fraction form
    25,420.23/35,078.91 = 14,090.22/x
  3. Step 3: Cross multiply
    25,420.23x = 35,078.91 × 14,090.22
  4. Step 4: Simplify right side
    25,420.23x = 494,269,559.26
  5. Step 5: Solve for x
    x = 494,269,559.26/25,420.23
  6. Step 6: Final answer
    x = 19,443.95

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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.