Home / 19,071.03-28,610.67-7,826.40

Finding the Fourth Proportional to 19,071.03, 28,610.67 and 7,826.40

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Solution

The fourth proportional to 19,071.03, 28,610.67 and 7,826.40 is: 11,741.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.03 : 28,610.67 = 7,826.40 : x
  2. Step 2: Convert to fraction form
    19,071.03/28,610.67 = 7,826.40/x
  3. Step 3: Cross multiply
    19,071.03x = 28,610.67 × 7,826.40
  4. Step 4: Simplify right side
    19,071.03x = 223,918,547.69
  5. Step 5: Solve for x
    x = 223,918,547.69/19,071.03
  6. Step 6: Final answer
    x = 11,741.29

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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.