Home / 18,795.84-25,925.76-12,089.94

Finding the Fourth Proportional to 18,795.84, 25,925.76 and 12,089.94

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Solution

The fourth proportional to 18,795.84, 25,925.76 and 12,089.94 is: 16,676.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.84 : 25,925.76 = 12,089.94 : x
  2. Step 2: Convert to fraction form
    18,795.84/25,925.76 = 12,089.94/x
  3. Step 3: Cross multiply
    18,795.84x = 25,925.76 × 12,089.94
  4. Step 4: Simplify right side
    18,795.84x = 313,440,882.85
  5. Step 5: Solve for x
    x = 313,440,882.85/18,795.84
  6. Step 6: Final answer
    x = 16,676.08

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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.