Home / 14,399.03-19,870.58-8,113.43

Finding the Fourth Proportional to 14,399.03, 19,870.58 and 8,113.43

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Solution

The fourth proportional to 14,399.03, 19,870.58 and 8,113.43 is: 11,196.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.03 : 19,870.58 = 8,113.43 : x
  2. Step 2: Convert to fraction form
    14,399.03/19,870.58 = 8,113.43/x
  3. Step 3: Cross multiply
    14,399.03x = 19,870.58 × 8,113.43
  4. Step 4: Simplify right side
    14,399.03x = 161,218,519.32
  5. Step 5: Solve for x
    x = 161,218,519.32/14,399.03
  6. Step 6: Final answer
    x = 11,196.48

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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.