Home / 19,163.45-26,445.55-10,779.95

Finding the Fourth Proportional to 19,163.45, 26,445.55 and 10,779.95

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Solution

The fourth proportional to 19,163.45, 26,445.55 and 10,779.95 is: 14,876.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.45 : 26,445.55 = 10,779.95 : x
  2. Step 2: Convert to fraction form
    19,163.45/26,445.55 = 10,779.95/x
  3. Step 3: Cross multiply
    19,163.45x = 26,445.55 × 10,779.95
  4. Step 4: Simplify right side
    19,163.45x = 285,081,547.54
  5. Step 5: Solve for x
    x = 285,081,547.54/19,163.45
  6. Step 6: Final answer
    x = 14,876.32

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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.