Home / 14,368.64-19,830.39-8,083.04

Finding the Fourth Proportional to 14,368.64, 19,830.39 and 8,083.04

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Solution

The fourth proportional to 14,368.64, 19,830.39 and 8,083.04 is: 11,155.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,368.64 : 19,830.39 = 8,083.04 : x
  2. Step 2: Convert to fraction form
    14,368.64/19,830.39 = 8,083.04/x
  3. Step 3: Cross multiply
    14,368.64x = 19,830.39 × 8,083.04
  4. Step 4: Simplify right side
    14,368.64x = 160,289,835.59
  5. Step 5: Solve for x
    x = 160,289,835.59/14,368.64
  6. Step 6: Final answer
    x = 11,155.53

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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.