Home / 19,479.12-29,212.05-6,328.23

Finding the Fourth Proportional to 19,479.12, 29,212.05 and 6,328.23

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Solution

The fourth proportional to 19,479.12, 29,212.05 and 6,328.23 is: 9,490.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479.12 : 29,212.05 = 6,328.23 : x
  2. Step 2: Convert to fraction form
    19,479.12/29,212.05 = 6,328.23/x
  3. Step 3: Cross multiply
    19,479.12x = 29,212.05 × 6,328.23
  4. Step 4: Simplify right side
    19,479.12x = 184,860,571.17
  5. Step 5: Solve for x
    x = 184,860,571.17/19,479.12
  6. Step 6: Final answer
    x = 9,490.19

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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.