Home / 13,968.82-19,275.96-8,303.32

Finding the Fourth Proportional to 13,968.82, 19,275.96 and 8,303.32

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Solution

The fourth proportional to 13,968.82, 19,275.96 and 8,303.32 is: 11,457.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.82 : 19,275.96 = 8,303.32 : x
  2. Step 2: Convert to fraction form
    13,968.82/19,275.96 = 8,303.32/x
  3. Step 3: Cross multiply
    13,968.82x = 19,275.96 × 8,303.32
  4. Step 4: Simplify right side
    13,968.82x = 160,054,464.19
  5. Step 5: Solve for x
    x = 160,054,464.19/13,968.82
  6. Step 6: Final answer
    x = 11,457.98

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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.