Home / 14,282.08-19,709.12-7,994.50

Finding the Fourth Proportional to 14,282.08, 19,709.12 and 7,994.50

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Solution

The fourth proportional to 14,282.08, 19,709.12 and 7,994.50 is: 11,032.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.08 : 19,709.12 = 7,994.50 : x
  2. Step 2: Convert to fraction form
    14,282.08/19,709.12 = 7,994.50/x
  3. Step 3: Cross multiply
    14,282.08x = 19,709.12 × 7,994.50
  4. Step 4: Simplify right side
    14,282.08x = 157,564,559.84
  5. Step 5: Solve for x
    x = 157,564,559.84/14,282.08
  6. Step 6: Final answer
    x = 11,032.33

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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.