Home / 15,037.35-20,751.49-9,741.36

Finding the Fourth Proportional to 15,037.35, 20,751.49 and 9,741.36

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Solution

The fourth proportional to 15,037.35, 20,751.49 and 9,741.36 is: 13,443.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037.35 : 20,751.49 = 9,741.36 : x
  2. Step 2: Convert to fraction form
    15,037.35/20,751.49 = 9,741.36/x
  3. Step 3: Cross multiply
    15,037.35x = 20,751.49 × 9,741.36
  4. Step 4: Simplify right side
    15,037.35x = 202,147,824.62
  5. Step 5: Solve for x
    x = 202,147,824.62/15,037.35
  6. Step 6: Final answer
    x = 13,443.05

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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.