Home / 19,511.10-26,925.48-11,449.58

Finding the Fourth Proportional to 19,511.10, 26,925.48 and 11,449.58

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Solution

The fourth proportional to 19,511.10, 26,925.48 and 11,449.58 is: 15,800.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.10 : 26,925.48 = 11,449.58 : x
  2. Step 2: Convert to fraction form
    19,511.10/26,925.48 = 11,449.58/x
  3. Step 3: Cross multiply
    19,511.10x = 26,925.48 × 11,449.58
  4. Step 4: Simplify right side
    19,511.10x = 308,285,302.67
  5. Step 5: Solve for x
    x = 308,285,302.67/19,511.10
  6. Step 6: Final answer
    x = 15,800.51

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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.