Home / 19,316.58-26,661.04-11,765.40

Finding the Fourth Proportional to 19,316.58, 26,661.04 and 11,765.40

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Solution

The fourth proportional to 19,316.58, 26,661.04 and 11,765.40 is: 16,238.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316.58 : 26,661.04 = 11,765.40 : x
  2. Step 2: Convert to fraction form
    19,316.58/26,661.04 = 11,765.40/x
  3. Step 3: Cross multiply
    19,316.58x = 26,661.04 × 11,765.40
  4. Step 4: Simplify right side
    19,316.58x = 313,677,800.02
  5. Step 5: Solve for x
    x = 313,677,800.02/19,316.58
  6. Step 6: Final answer
    x = 16,238.79

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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.