Home / 25,059.21-34,582.20-13,728.69

Finding the Fourth Proportional to 25,059.21, 34,582.20 and 13,728.69

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Solution

The fourth proportional to 25,059.21, 34,582.20 and 13,728.69 is: 18,945.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,059.21 : 34,582.20 = 13,728.69 : x
  2. Step 2: Convert to fraction form
    25,059.21/34,582.20 = 13,728.69/x
  3. Step 3: Cross multiply
    25,059.21x = 34,582.20 × 13,728.69
  4. Step 4: Simplify right side
    25,059.21x = 474,768,303.32
  5. Step 5: Solve for x
    x = 474,768,303.32/25,059.21
  6. Step 6: Final answer
    x = 18,945.86

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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.