Home / 27,712.08-41,582-12,922.16

Finding the Fourth Proportional to 27,712.08, 41,582 and 12,922.16

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Solution

The fourth proportional to 27,712.08, 41,582 and 12,922.16 is: 19,389.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,712.08 : 41,582 = 12,922.16 : x
  2. Step 2: Convert to fraction form
    27,712.08/41,582 = 12,922.16/x
  3. Step 3: Cross multiply
    27,712.08x = 41,582 × 12,922.16
  4. Step 4: Simplify right side
    27,712.08x = 537,329,257.12
  5. Step 5: Solve for x
    x = 537,329,257.12/27,712.08
  6. Step 6: Final answer
    x = 19,389.71

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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.