Home / 19,461.63-29,145.60-11,116.35

Finding the Fourth Proportional to 19,461.63, 29,145.60 and 11,116.35

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Solution

The fourth proportional to 19,461.63, 29,145.60 and 11,116.35 is: 16,647.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,461.63 : 29,145.60 = 11,116.35 : x
  2. Step 2: Convert to fraction form
    19,461.63/29,145.60 = 11,116.35/x
  3. Step 3: Cross multiply
    19,461.63x = 29,145.60 × 11,116.35
  4. Step 4: Simplify right side
    19,461.63x = 323,992,690.56
  5. Step 5: Solve for x
    x = 323,992,690.56/19,461.63
  6. Step 6: Final answer
    x = 16,647.77

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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.