Home / 15,999.94-22,069.63-9,712.32

Finding the Fourth Proportional to 15,999.94, 22,069.63 and 9,712.32

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Solution

The fourth proportional to 15,999.94, 22,069.63 and 9,712.32 is: 13,396.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.94 : 22,069.63 = 9,712.32 : x
  2. Step 2: Convert to fraction form
    15,999.94/22,069.63 = 9,712.32/x
  3. Step 3: Cross multiply
    15,999.94x = 22,069.63 × 9,712.32
  4. Step 4: Simplify right side
    15,999.94x = 214,347,308.84
  5. Step 5: Solve for x
    x = 214,347,308.84/15,999.94
  6. Step 6: Final answer
    x = 13,396.76

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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.