Home / 19,199.14-28,785.08-7,342.92

Finding the Fourth Proportional to 19,199.14, 28,785.08 and 7,342.92

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Solution

The fourth proportional to 19,199.14, 28,785.08 and 7,342.92 is: 11,009.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,199.14 : 28,785.08 = 7,342.92 : x
  2. Step 2: Convert to fraction form
    19,199.14/28,785.08 = 7,342.92/x
  3. Step 3: Cross multiply
    19,199.14x = 28,785.08 × 7,342.92
  4. Step 4: Simplify right side
    19,199.14x = 211,366,539.63
  5. Step 5: Solve for x
    x = 211,366,539.63/19,199.14
  6. Step 6: Final answer
    x = 11,009.17

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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.