Home / 16,518.45-22,763.99-16,214.81

Finding the Fourth Proportional to 16,518.45, 22,763.99 and 16,214.81

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Solution

The fourth proportional to 16,518.45, 22,763.99 and 16,214.81 is: 22,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,518.45 : 22,763.99 = 16,214.81 : x
  2. Step 2: Convert to fraction form
    16,518.45/22,763.99 = 16,214.81/x
  3. Step 3: Cross multiply
    16,518.45x = 22,763.99 × 16,214.81
  4. Step 4: Simplify right side
    16,518.45x = 369,113,772.69
  5. Step 5: Solve for x
    x = 369,113,772.69/16,518.45
  6. Step 6: Final answer
    x = 22,345.55

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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.