Home / 18,981.69-26,195.10-10,483.77

Finding the Fourth Proportional to 18,981.69, 26,195.10 and 10,483.77

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Solution

The fourth proportional to 18,981.69, 26,195.10 and 10,483.77 is: 14,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,981.69 : 26,195.10 = 10,483.77 : x
  2. Step 2: Convert to fraction form
    18,981.69/26,195.10 = 10,483.77/x
  3. Step 3: Cross multiply
    18,981.69x = 26,195.10 × 10,483.77
  4. Step 4: Simplify right side
    18,981.69x = 274,623,403.53
  5. Step 5: Solve for x
    x = 274,623,403.53/18,981.69
  6. Step 6: Final answer
    x = 14,467.81

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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.