Home / 17,405.69-26,084.94-12,703.64

Finding the Fourth Proportional to 17,405.69, 26,084.94 and 12,703.64

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Solution

The fourth proportional to 17,405.69, 26,084.94 and 12,703.64 is: 19,038.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,405.69 : 26,084.94 = 12,703.64 : x
  2. Step 2: Convert to fraction form
    17,405.69/26,084.94 = 12,703.64/x
  3. Step 3: Cross multiply
    17,405.69x = 26,084.94 × 12,703.64
  4. Step 4: Simplify right side
    17,405.69x = 331,373,509.12
  5. Step 5: Solve for x
    x = 331,373,509.12/17,405.69
  6. Step 6: Final answer
    x = 19,038.23

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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.