Home / 19,933.70-27,507.26-10,980.70

Finding the Fourth Proportional to 19,933.70, 27,507.26 and 10,980.70

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Solution

The fourth proportional to 19,933.70, 27,507.26 and 10,980.70 is: 15,152.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.70 : 27,507.26 = 10,980.70 : x
  2. Step 2: Convert to fraction form
    19,933.70/27,507.26 = 10,980.70/x
  3. Step 3: Cross multiply
    19,933.70x = 27,507.26 × 10,980.70
  4. Step 4: Simplify right side
    19,933.70x = 302,048,928.57
  5. Step 5: Solve for x
    x = 302,048,928.57/19,933.70
  6. Step 6: Final answer
    x = 15,152.68

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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.