Home / 14,913.36-20,580.93-8,199.23

Finding the Fourth Proportional to 14,913.36, 20,580.93 and 8,199.23

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Solution

The fourth proportional to 14,913.36, 20,580.93 and 8,199.23 is: 11,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,913.36 : 20,580.93 = 8,199.23 : x
  2. Step 2: Convert to fraction form
    14,913.36/20,580.93 = 8,199.23/x
  3. Step 3: Cross multiply
    14,913.36x = 20,580.93 × 8,199.23
  4. Step 4: Simplify right side
    14,913.36x = 168,747,675.78
  5. Step 5: Solve for x
    x = 168,747,675.78/14,913.36
  6. Step 6: Final answer
    x = 11,315.20

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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.