Home / 19,449.67-26,829.74-12,746.11

Finding the Fourth Proportional to 19,449.67, 26,829.74 and 12,746.11

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Solution

The fourth proportional to 19,449.67, 26,829.74 and 12,746.11 is: 17,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,449.67 : 26,829.74 = 12,746.11 : x
  2. Step 2: Convert to fraction form
    19,449.67/26,829.74 = 12,746.11/x
  3. Step 3: Cross multiply
    19,449.67x = 26,829.74 × 12,746.11
  4. Step 4: Simplify right side
    19,449.67x = 341,974,817.31
  5. Step 5: Solve for x
    x = 341,974,817.31/19,449.67
  6. Step 6: Final answer
    x = 17,582.55

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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.