Home / 19,576.12-29,355.36-11,682.28

Finding the Fourth Proportional to 19,576.12, 29,355.36 and 11,682.28

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Solution

The fourth proportional to 19,576.12, 29,355.36 and 11,682.28 is: 17,518.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,576.12 : 29,355.36 = 11,682.28 : x
  2. Step 2: Convert to fraction form
    19,576.12/29,355.36 = 11,682.28/x
  3. Step 3: Cross multiply
    19,576.12x = 29,355.36 × 11,682.28
  4. Step 4: Simplify right side
    19,576.12x = 342,937,535.02
  5. Step 5: Solve for x
    x = 342,937,535.02/19,576.12
  6. Step 6: Final answer
    x = 17,518.16

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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.