Home / 14,399.36-19,870.62-8,734.76

Finding the Fourth Proportional to 14,399.36, 19,870.62 and 8,734.76

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Solution

The fourth proportional to 14,399.36, 19,870.62 and 8,734.76 is: 12,053.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.36 : 19,870.62 = 8,734.76 : x
  2. Step 2: Convert to fraction form
    14,399.36/19,870.62 = 8,734.76/x
  3. Step 3: Cross multiply
    14,399.36x = 19,870.62 × 8,734.76
  4. Step 4: Simplify right side
    14,399.36x = 173,565,096.75
  5. Step 5: Solve for x
    x = 173,565,096.75/14,399.36
  6. Step 6: Final answer
    x = 12,053.67

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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.