Home / 19,813.04-29,719.26-4,820.30

Finding the Fourth Proportional to 19,813.04, 29,719.26 and 4,820.30

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Solution

The fourth proportional to 19,813.04, 29,719.26 and 4,820.30 is: 7,230.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813.04 : 29,719.26 = 4,820.30 : x
  2. Step 2: Convert to fraction form
    19,813.04/29,719.26 = 4,820.30/x
  3. Step 3: Cross multiply
    19,813.04x = 29,719.26 × 4,820.30
  4. Step 4: Simplify right side
    19,813.04x = 143,255,748.98
  5. Step 5: Solve for x
    x = 143,255,748.98/19,813.04
  6. Step 6: Final answer
    x = 7,230.38

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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.