Home / 19,188.05-26,479.48-10,804.61

Finding the Fourth Proportional to 19,188.05, 26,479.48 and 10,804.61

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Solution

The fourth proportional to 19,188.05, 26,479.48 and 10,804.61 is: 14,910.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.05 : 26,479.48 = 10,804.61 : x
  2. Step 2: Convert to fraction form
    19,188.05/26,479.48 = 10,804.61/x
  3. Step 3: Cross multiply
    19,188.05x = 26,479.48 × 10,804.61
  4. Step 4: Simplify right side
    19,188.05x = 286,100,454.40
  5. Step 5: Solve for x
    x = 286,100,454.40/19,188.05
  6. Step 6: Final answer
    x = 14,910.35

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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.