Home / 12,984.07-19,479.38-3,624.08

Finding the Fourth Proportional to 12,984.07, 19,479.38 and 3,624.08

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Solution

The fourth proportional to 12,984.07, 19,479.38 and 3,624.08 is: 5,437.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984.07 : 19,479.38 = 3,624.08 : x
  2. Step 2: Convert to fraction form
    12,984.07/19,479.38 = 3,624.08/x
  3. Step 3: Cross multiply
    12,984.07x = 19,479.38 × 3,624.08
  4. Step 4: Simplify right side
    12,984.07x = 70,594,715.95
  5. Step 5: Solve for x
    x = 70,594,715.95/12,984.07
  6. Step 6: Final answer
    x = 5,437.03

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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.