Home / 19,388.16-29,075.76-7,698.24

Finding the Fourth Proportional to 19,388.16, 29,075.76 and 7,698.24

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Solution

The fourth proportional to 19,388.16, 29,075.76 and 7,698.24 is: 11,544.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.16 : 29,075.76 = 7,698.24 : x
  2. Step 2: Convert to fraction form
    19,388.16/29,075.76 = 7,698.24/x
  3. Step 3: Cross multiply
    19,388.16x = 29,075.76 × 7,698.24
  4. Step 4: Simplify right side
    19,388.16x = 223,832,178.66
  5. Step 5: Solve for x
    x = 223,832,178.66/19,388.16
  6. Step 6: Final answer
    x = 11,544.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.