Home / 14,453.03-19,949.90-8,484.55

Finding the Fourth Proportional to 14,453.03, 19,949.90 and 8,484.55

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Solution

The fourth proportional to 14,453.03, 19,949.90 and 8,484.55 is: 11,711.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,453.03 : 19,949.90 = 8,484.55 : x
  2. Step 2: Convert to fraction form
    14,453.03/19,949.90 = 8,484.55/x
  3. Step 3: Cross multiply
    14,453.03x = 19,949.90 × 8,484.55
  4. Step 4: Simplify right side
    14,453.03x = 169,265,831.75
  5. Step 5: Solve for x
    x = 169,265,831.75/14,453.03
  6. Step 6: Final answer
    x = 11,711.44

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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.