Home / 19,009.06-28,513.58-10,299.32

Finding the Fourth Proportional to 19,009.06, 28,513.58 and 10,299.32

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Solution

The fourth proportional to 19,009.06, 28,513.58 and 10,299.32 is: 15,448.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009.06 : 28,513.58 = 10,299.32 : x
  2. Step 2: Convert to fraction form
    19,009.06/28,513.58 = 10,299.32/x
  3. Step 3: Cross multiply
    19,009.06x = 28,513.58 × 10,299.32
  4. Step 4: Simplify right side
    19,009.06x = 293,670,484.77
  5. Step 5: Solve for x
    x = 293,670,484.77/19,009.06
  6. Step 6: Final answer
    x = 15,448.97

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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.