Home / 19,397.69-26,768.04-11,856.63

Finding the Fourth Proportional to 19,397.69, 26,768.04 and 11,856.63

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Solution

The fourth proportional to 19,397.69, 26,768.04 and 11,856.63 is: 16,361.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397.69 : 26,768.04 = 11,856.63 : x
  2. Step 2: Convert to fraction form
    19,397.69/26,768.04 = 11,856.63/x
  3. Step 3: Cross multiply
    19,397.69x = 26,768.04 × 11,856.63
  4. Step 4: Simplify right side
    19,397.69x = 317,378,746.11
  5. Step 5: Solve for x
    x = 317,378,746.11/19,397.69
  6. Step 6: Final answer
    x = 16,361.68

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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.