Home / 13,835.07-19,091.07-7,866.41

Finding the Fourth Proportional to 13,835.07, 19,091.07 and 7,866.41

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Solution

The fourth proportional to 13,835.07, 19,091.07 and 7,866.41 is: 10,854.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.07 : 19,091.07 = 7,866.41 : x
  2. Step 2: Convert to fraction form
    13,835.07/19,091.07 = 7,866.41/x
  3. Step 3: Cross multiply
    13,835.07x = 19,091.07 × 7,866.41
  4. Step 4: Simplify right side
    13,835.07x = 150,178,088.50
  5. Step 5: Solve for x
    x = 150,178,088.50/13,835.07
  6. Step 6: Final answer
    x = 10,854.88

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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.