Home / 19,162.88-26,444.76-10,779.38

Finding the Fourth Proportional to 19,162.88, 26,444.76 and 10,779.38

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Solution

The fourth proportional to 19,162.88, 26,444.76 and 10,779.38 is: 14,875.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162.88 : 26,444.76 = 10,779.38 : x
  2. Step 2: Convert to fraction form
    19,162.88/26,444.76 = 10,779.38/x
  3. Step 3: Cross multiply
    19,162.88x = 26,444.76 × 10,779.38
  4. Step 4: Simplify right side
    19,162.88x = 285,057,984.83
  5. Step 5: Solve for x
    x = 285,057,984.83/19,162.88
  6. Step 6: Final answer
    x = 14,875.53

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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.