Home / 15,035.06-20,741.46-9,731.58

Finding the Fourth Proportional to 15,035.06, 20,741.46 and 9,731.58

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Solution

The fourth proportional to 15,035.06, 20,741.46 and 9,731.58 is: 13,425.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,035.06 : 20,741.46 = 9,731.58 : x
  2. Step 2: Convert to fraction form
    15,035.06/20,741.46 = 9,731.58/x
  3. Step 3: Cross multiply
    15,035.06x = 20,741.46 × 9,731.58
  4. Step 4: Simplify right side
    15,035.06x = 201,847,177.31
  5. Step 5: Solve for x
    x = 201,847,177.31/15,035.06
  6. Step 6: Final answer
    x = 13,425.10

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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.