Home / 19,247.86-26,561.31-12,081.61

Finding the Fourth Proportional to 19,247.86, 26,561.31 and 12,081.61

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Solution

The fourth proportional to 19,247.86, 26,561.31 and 12,081.61 is: 16,672.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.86 : 26,561.31 = 12,081.61 : x
  2. Step 2: Convert to fraction form
    19,247.86/26,561.31 = 12,081.61/x
  3. Step 3: Cross multiply
    19,247.86x = 26,561.31 × 12,081.61
  4. Step 4: Simplify right side
    19,247.86x = 320,903,388.51
  5. Step 5: Solve for x
    x = 320,903,388.51/19,247.86
  6. Step 6: Final answer
    x = 16,672.16

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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.