Home / 14,396.16-19,863.80-8,426.67

Finding the Fourth Proportional to 14,396.16, 19,863.80 and 8,426.67

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Solution

The fourth proportional to 14,396.16, 19,863.80 and 8,426.67 is: 11,627.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,396.16 : 19,863.80 = 8,426.67 : x
  2. Step 2: Convert to fraction form
    14,396.16/19,863.80 = 8,426.67/x
  3. Step 3: Cross multiply
    14,396.16x = 19,863.80 × 8,426.67
  4. Step 4: Simplify right side
    14,396.16x = 167,385,602.52
  5. Step 5: Solve for x
    x = 167,385,602.52/14,396.16
  6. Step 6: Final answer
    x = 11,627.10

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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.