Home / 19,294.08-26,620.32-12,223.68

Finding the Fourth Proportional to 19,294.08, 26,620.32 and 12,223.68

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Solution

The fourth proportional to 19,294.08, 26,620.32 and 12,223.68 is: 16,865.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,294.08 : 26,620.32 = 12,223.68 : x
  2. Step 2: Convert to fraction form
    19,294.08/26,620.32 = 12,223.68/x
  3. Step 3: Cross multiply
    19,294.08x = 26,620.32 × 12,223.68
  4. Step 4: Simplify right side
    19,294.08x = 325,398,273.18
  5. Step 5: Solve for x
    x = 325,398,273.18/19,294.08
  6. Step 6: Final answer
    x = 16,865.19

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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.