Home / 19,341.83-26,689.71-11,383.58

Finding the Fourth Proportional to 19,341.83, 26,689.71 and 11,383.58

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Solution

The fourth proportional to 19,341.83, 26,689.71 and 11,383.58 is: 15,708.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,341.83 : 26,689.71 = 11,383.58 : x
  2. Step 2: Convert to fraction form
    19,341.83/26,689.71 = 11,383.58/x
  3. Step 3: Cross multiply
    19,341.83x = 26,689.71 × 11,383.58
  4. Step 4: Simplify right side
    19,341.83x = 303,824,358.20
  5. Step 5: Solve for x
    x = 303,824,358.20/19,341.83
  6. Step 6: Final answer
    x = 15,708.15

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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.