Home / 19,943.85-29,916.86-7,467.15

Finding the Fourth Proportional to 19,943.85, 29,916.86 and 7,467.15

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Solution

The fourth proportional to 19,943.85, 29,916.86 and 7,467.15 is: 11,201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.85 : 29,916.86 = 7,467.15 : x
  2. Step 2: Convert to fraction form
    19,943.85/29,916.86 = 7,467.15/x
  3. Step 3: Cross multiply
    19,943.85x = 29,916.86 × 7,467.15
  4. Step 4: Simplify right side
    19,943.85x = 223,393,643.81
  5. Step 5: Solve for x
    x = 223,393,643.81/19,943.85
  6. Step 6: Final answer
    x = 11,201.13

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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.