Home / 26,316.56-39,440.82-19,690.76

Finding the Fourth Proportional to 26,316.56, 39,440.82 and 19,690.76

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Solution

The fourth proportional to 26,316.56, 39,440.82 and 19,690.76 is: 29,510.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,316.56 : 39,440.82 = 19,690.76 : x
  2. Step 2: Convert to fraction form
    26,316.56/39,440.82 = 19,690.76/x
  3. Step 3: Cross multiply
    26,316.56x = 39,440.82 × 19,690.76
  4. Step 4: Simplify right side
    26,316.56x = 776,619,720.82
  5. Step 5: Solve for x
    x = 776,619,720.82/26,316.56
  6. Step 6: Final answer
    x = 29,510.69

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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.