Home / 13,970.80-19,278.93-7,597.38

Finding the Fourth Proportional to 13,970.80, 19,278.93 and 7,597.38

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Solution

The fourth proportional to 13,970.80, 19,278.93 and 7,597.38 is: 10,483.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,970.80 : 19,278.93 = 7,597.38 : x
  2. Step 2: Convert to fraction form
    13,970.80/19,278.93 = 7,597.38/x
  3. Step 3: Cross multiply
    13,970.80x = 19,278.93 × 7,597.38
  4. Step 4: Simplify right side
    13,970.80x = 146,469,388.14
  5. Step 5: Solve for x
    x = 146,469,388.14/13,970.80
  6. Step 6: Final answer
    x = 10,483.97

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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.