Home / 14,071.40-19,418.58-7,698.08

Finding the Fourth Proportional to 14,071.40, 19,418.58 and 7,698.08

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Solution

The fourth proportional to 14,071.40, 19,418.58 and 7,698.08 is: 10,623.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,071.40 : 19,418.58 = 7,698.08 : x
  2. Step 2: Convert to fraction form
    14,071.40/19,418.58 = 7,698.08/x
  3. Step 3: Cross multiply
    14,071.40x = 19,418.58 × 7,698.08
  4. Step 4: Simplify right side
    14,071.40x = 149,485,782.33
  5. Step 5: Solve for x
    x = 149,485,782.33/14,071.40
  6. Step 6: Final answer
    x = 10,623.38

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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.