Home / 15,455.94-23,170.23-6,686.07

Finding the Fourth Proportional to 15,455.94, 23,170.23 and 6,686.07

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Solution

The fourth proportional to 15,455.94, 23,170.23 and 6,686.07 is: 10,023.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455.94 : 23,170.23 = 6,686.07 : x
  2. Step 2: Convert to fraction form
    15,455.94/23,170.23 = 6,686.07/x
  3. Step 3: Cross multiply
    15,455.94x = 23,170.23 × 6,686.07
  4. Step 4: Simplify right side
    15,455.94x = 154,917,779.70
  5. Step 5: Solve for x
    x = 154,917,779.70/15,455.94
  6. Step 6: Final answer
    x = 10,023.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.