Home / 19,620.56-27,083.70-12,068.12

Finding the Fourth Proportional to 19,620.56, 27,083.70 and 12,068.12

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Solution

The fourth proportional to 19,620.56, 27,083.70 and 12,068.12 is: 16,658.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.56 : 27,083.70 = 12,068.12 : x
  2. Step 2: Convert to fraction form
    19,620.56/27,083.70 = 12,068.12/x
  3. Step 3: Cross multiply
    19,620.56x = 27,083.70 × 12,068.12
  4. Step 4: Simplify right side
    19,620.56x = 326,849,341.64
  5. Step 5: Solve for x
    x = 326,849,341.64/19,620.56
  6. Step 6: Final answer
    x = 16,658.51

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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.