Home / 19,235.04-28,848.36-7,384.80

Finding the Fourth Proportional to 19,235.04, 28,848.36 and 7,384.80

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Solution

The fourth proportional to 19,235.04, 28,848.36 and 7,384.80 is: 11,075.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,235.04 : 28,848.36 = 7,384.80 : x
  2. Step 2: Convert to fraction form
    19,235.04/28,848.36 = 7,384.80/x
  3. Step 3: Cross multiply
    19,235.04x = 28,848.36 × 7,384.80
  4. Step 4: Simplify right side
    19,235.04x = 213,039,368.93
  5. Step 5: Solve for x
    x = 213,039,368.93/19,235.04
  6. Step 6: Final answer
    x = 11,075.59

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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.