Home / 19,415.84-29,103.56-13,176.36

Finding the Fourth Proportional to 19,415.84, 29,103.56 and 13,176.36

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Solution

The fourth proportional to 19,415.84, 29,103.56 and 13,176.36 is: 19,750.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415.84 : 29,103.56 = 13,176.36 : x
  2. Step 2: Convert to fraction form
    19,415.84/29,103.56 = 13,176.36/x
  3. Step 3: Cross multiply
    19,415.84x = 29,103.56 × 13,176.36
  4. Step 4: Simplify right side
    19,415.84x = 383,478,983.84
  5. Step 5: Solve for x
    x = 383,478,983.84/19,415.84
  6. Step 6: Final answer
    x = 19,750.83

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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.