Home / 25,847.12-38,776.56-9,208.91

Finding the Fourth Proportional to 25,847.12, 38,776.56 and 9,208.91

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Solution

The fourth proportional to 25,847.12, 38,776.56 and 9,208.91 is: 13,815.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,847.12 : 38,776.56 = 9,208.91 : x
  2. Step 2: Convert to fraction form
    25,847.12/38,776.56 = 9,208.91/x
  3. Step 3: Cross multiply
    25,847.12x = 38,776.56 × 9,208.91
  4. Step 4: Simplify right side
    25,847.12x = 357,089,851.15
  5. Step 5: Solve for x
    x = 357,089,851.15/25,847.12
  6. Step 6: Final answer
    x = 13,815.46

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1.5x scale

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.