Home / 15,615.93-23,425.15-5,085.75

Finding the Fourth Proportional to 15,615.93, 23,425.15 and 5,085.75

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Solution

The fourth proportional to 15,615.93, 23,425.15 and 5,085.75 is: 7,629.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.93 : 23,425.15 = 5,085.75 : x
  2. Step 2: Convert to fraction form
    15,615.93/23,425.15 = 5,085.75/x
  3. Step 3: Cross multiply
    15,615.93x = 23,425.15 × 5,085.75
  4. Step 4: Simplify right side
    15,615.93x = 119,134,443.90
  5. Step 5: Solve for x
    x = 119,134,443.90/15,615.93
  6. Step 6: Final answer
    x = 7,629.03

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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.