Home / 13,403.58-20,106.73-4,636.44

Finding the Fourth Proportional to 13,403.58, 20,106.73 and 4,636.44

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Solution

The fourth proportional to 13,403.58, 20,106.73 and 4,636.44 is: 6,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.58 : 20,106.73 = 4,636.44 : x
  2. Step 2: Convert to fraction form
    13,403.58/20,106.73 = 4,636.44/x
  3. Step 3: Cross multiply
    13,403.58x = 20,106.73 × 4,636.44
  4. Step 4: Simplify right side
    13,403.58x = 93,223,653.04
  5. Step 5: Solve for x
    x = 93,223,653.04/13,403.58
  6. Step 6: Final answer
    x = 6,955.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.