Home / 16,919.04-23,340.31-11,256.55

Finding the Fourth Proportional to 16,919.04, 23,340.31 and 11,256.55

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Solution

The fourth proportional to 16,919.04, 23,340.31 and 11,256.55 is: 15,528.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.04 : 23,340.31 = 11,256.55 : x
  2. Step 2: Convert to fraction form
    16,919.04/23,340.31 = 11,256.55/x
  3. Step 3: Cross multiply
    16,919.04x = 23,340.31 × 11,256.55
  4. Step 4: Simplify right side
    16,919.04x = 262,731,366.53
  5. Step 5: Solve for x
    x = 262,731,366.53/16,919.04
  6. Step 6: Final answer
    x = 15,528.74

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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.