Home / 25,448.25-38,147.55-12,117.66

Finding the Fourth Proportional to 25,448.25, 38,147.55 and 12,117.66

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Solution

The fourth proportional to 25,448.25, 38,147.55 and 12,117.66 is: 18,164.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,448.25 : 38,147.55 = 12,117.66 : x
  2. Step 2: Convert to fraction form
    25,448.25/38,147.55 = 12,117.66/x
  3. Step 3: Cross multiply
    25,448.25x = 38,147.55 × 12,117.66
  4. Step 4: Simplify right side
    25,448.25x = 462,258,980.14
  5. Step 5: Solve for x
    x = 462,258,980.14/25,448.25
  6. Step 6: Final answer
    x = 18,164.67

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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.