Home / 15,093.03-20,815.59-9,716.40

Finding the Fourth Proportional to 15,093.03, 20,815.59 and 9,716.40

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Solution

The fourth proportional to 15,093.03, 20,815.59 and 9,716.40 is: 13,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,093.03 : 20,815.59 = 9,716.40 : x
  2. Step 2: Convert to fraction form
    15,093.03/20,815.59 = 9,716.40/x
  3. Step 3: Cross multiply
    15,093.03x = 20,815.59 × 9,716.40
  4. Step 4: Simplify right side
    15,093.03x = 202,252,598.68
  5. Step 5: Solve for x
    x = 202,252,598.68/15,093.03
  6. Step 6: Final answer
    x = 13,400.40

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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.