Home / 19,576.20-27,008.58-12,506.76

Finding the Fourth Proportional to 19,576.20, 27,008.58 and 12,506.76

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Solution

The fourth proportional to 19,576.20, 27,008.58 and 12,506.76 is: 17,255.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,576.20 : 27,008.58 = 12,506.76 : x
  2. Step 2: Convert to fraction form
    19,576.20/27,008.58 = 12,506.76/x
  3. Step 3: Cross multiply
    19,576.20x = 27,008.58 × 12,506.76
  4. Step 4: Simplify right side
    19,576.20x = 337,789,828.00
  5. Step 5: Solve for x
    x = 337,789,828.00/19,576.20
  6. Step 6: Final answer
    x = 17,255.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.