Home / 16,919.78-23,341.55-10,953.37

Finding the Fourth Proportional to 16,919.78, 23,341.55 and 10,953.37

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Solution

The fourth proportional to 16,919.78, 23,341.55 and 10,953.37 is: 15,110.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.78 : 23,341.55 = 10,953.37 : x
  2. Step 2: Convert to fraction form
    16,919.78/23,341.55 = 10,953.37/x
  3. Step 3: Cross multiply
    16,919.78x = 23,341.55 × 10,953.37
  4. Step 4: Simplify right side
    16,919.78x = 255,668,578.76
  5. Step 5: Solve for x
    x = 255,668,578.76/16,919.78
  6. Step 6: Final answer
    x = 15,110.63

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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.