Home / 26,317.56-39,442.32-19,691.76

Finding the Fourth Proportional to 26,317.56, 39,442.32 and 19,691.76

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Solution

The fourth proportional to 26,317.56, 39,442.32 and 19,691.76 is: 29,512.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,317.56 : 39,442.32 = 19,691.76 : x
  2. Step 2: Convert to fraction form
    26,317.56/39,442.32 = 19,691.76/x
  3. Step 3: Cross multiply
    26,317.56x = 39,442.32 × 19,691.76
  4. Step 4: Simplify right side
    26,317.56x = 776,688,699.28
  5. Step 5: Solve for x
    x = 776,688,699.28/26,317.56
  6. Step 6: Final answer
    x = 29,512.18

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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.