Home / 25,173.15-34,739.19-13,842.60

Finding the Fourth Proportional to 25,173.15, 34,739.19 and 13,842.60

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Solution

The fourth proportional to 25,173.15, 34,739.19 and 13,842.60 is: 19,102.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,173.15 : 34,739.19 = 13,842.60 : x
  2. Step 2: Convert to fraction form
    25,173.15/34,739.19 = 13,842.60/x
  3. Step 3: Cross multiply
    25,173.15x = 34,739.19 × 13,842.60
  4. Step 4: Simplify right side
    25,173.15x = 480,880,711.49
  5. Step 5: Solve for x
    x = 480,880,711.49/25,173.15
  6. Step 6: Final answer
    x = 19,102.92

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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.