Home / 18,825.06-28,231.83-6,341.74

Finding the Fourth Proportional to 18,825.06, 28,231.83 and 6,341.74

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Solution

The fourth proportional to 18,825.06, 28,231.83 and 6,341.74 is: 9,510.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825.06 : 28,231.83 = 6,341.74 : x
  2. Step 2: Convert to fraction form
    18,825.06/28,231.83 = 6,341.74/x
  3. Step 3: Cross multiply
    18,825.06x = 28,231.83 × 6,341.74
  4. Step 4: Simplify right side
    18,825.06x = 179,038,925.58
  5. Step 5: Solve for x
    x = 179,038,925.58/18,825.06
  6. Step 6: Final answer
    x = 9,510.67

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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.