Home / 19,576.75-27,038.34-12,892.25

Finding the Fourth Proportional to 19,576.75, 27,038.34 and 12,892.25

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Solution

The fourth proportional to 19,576.75, 27,038.34 and 12,892.25 is: 17,806.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,576.75 : 27,038.34 = 12,892.25 : x
  2. Step 2: Convert to fraction form
    19,576.75/27,038.34 = 12,892.25/x
  3. Step 3: Cross multiply
    19,576.75x = 27,038.34 × 12,892.25
  4. Step 4: Simplify right side
    19,576.75x = 348,585,106.46
  5. Step 5: Solve for x
    x = 348,585,106.46/19,576.75
  6. Step 6: Final answer
    x = 17,806.08

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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.