Home / 19,483.79-26,896.58-11,416.32

Finding the Fourth Proportional to 19,483.79, 26,896.58 and 11,416.32

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Solution

The fourth proportional to 19,483.79, 26,896.58 and 11,416.32 is: 15,759.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483.79 : 26,896.58 = 11,416.32 : x
  2. Step 2: Convert to fraction form
    19,483.79/26,896.58 = 11,416.32/x
  3. Step 3: Cross multiply
    19,483.79x = 26,896.58 × 11,416.32
  4. Step 4: Simplify right side
    19,483.79x = 307,059,907.10
  5. Step 5: Solve for x
    x = 307,059,907.10/19,483.79
  6. Step 6: Final answer
    x = 15,759.77

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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.