Home / 19,882.49-29,823.73-12,492.14

Finding the Fourth Proportional to 19,882.49, 29,823.73 and 12,492.14

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Solution

The fourth proportional to 19,882.49, 29,823.73 and 12,492.14 is: 18,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,882.49 : 29,823.73 = 12,492.14 : x
  2. Step 2: Convert to fraction form
    19,882.49/29,823.73 = 12,492.14/x
  3. Step 3: Cross multiply
    19,882.49x = 29,823.73 × 12,492.14
  4. Step 4: Simplify right side
    19,882.49x = 372,562,124.77
  5. Step 5: Solve for x
    x = 372,562,124.77/19,882.49
  6. Step 6: Final answer
    x = 18,738.20

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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.