Home / 13,935.34-19,230.39-8,482.36

Finding the Fourth Proportional to 13,935.34, 19,230.39 and 8,482.36

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Solution

The fourth proportional to 13,935.34, 19,230.39 and 8,482.36 is: 11,705.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.34 : 19,230.39 = 8,482.36 : x
  2. Step 2: Convert to fraction form
    13,935.34/19,230.39 = 8,482.36/x
  3. Step 3: Cross multiply
    13,935.34x = 19,230.39 × 8,482.36
  4. Step 4: Simplify right side
    13,935.34x = 163,119,090.92
  5. Step 5: Solve for x
    x = 163,119,090.92/13,935.34
  6. Step 6: Final answer
    x = 11,705.43

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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.