Home / 19,036.27-28,546.55-7,188.03

Finding the Fourth Proportional to 19,036.27, 28,546.55 and 7,188.03

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Solution

The fourth proportional to 19,036.27, 28,546.55 and 7,188.03 is: 10,779.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,036.27 : 28,546.55 = 7,188.03 : x
  2. Step 2: Convert to fraction form
    19,036.27/28,546.55 = 7,188.03/x
  3. Step 3: Cross multiply
    19,036.27x = 28,546.55 × 7,188.03
  4. Step 4: Simplify right side
    19,036.27x = 205,193,448.81
  5. Step 5: Solve for x
    x = 205,193,448.81/19,036.27
  6. Step 6: Final answer
    x = 10,779.08

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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.