Home / 25,420.42-35,081.57-14,091.25

Finding the Fourth Proportional to 25,420.42, 35,081.57 and 14,091.25

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Solution

The fourth proportional to 25,420.42, 35,081.57 and 14,091.25 is: 19,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,420.42 : 35,081.57 = 14,091.25 : x
  2. Step 2: Convert to fraction form
    25,420.42/35,081.57 = 14,091.25/x
  3. Step 3: Cross multiply
    25,420.42x = 35,081.57 × 14,091.25
  4. Step 4: Simplify right side
    25,420.42x = 494,343,173.26
  5. Step 5: Solve for x
    x = 494,343,173.26/25,420.42
  6. Step 6: Final answer
    x = 19,446.70

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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.