Home / 19,561.52-26,992.89-12,008.16

Finding the Fourth Proportional to 19,561.52, 26,992.89 and 12,008.16

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Solution

The fourth proportional to 19,561.52, 26,992.89 and 12,008.16 is: 16,570.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561.52 : 26,992.89 = 12,008.16 : x
  2. Step 2: Convert to fraction form
    19,561.52/26,992.89 = 12,008.16/x
  3. Step 3: Cross multiply
    19,561.52x = 26,992.89 × 12,008.16
  4. Step 4: Simplify right side
    19,561.52x = 324,134,941.98
  5. Step 5: Solve for x
    x = 324,134,941.98/19,561.52
  6. Step 6: Final answer
    x = 16,570.03

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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.