Home / 15,992.80-23,988.44-5,603.76

Finding the Fourth Proportional to 15,992.80, 23,988.44 and 5,603.76

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Solution

The fourth proportional to 15,992.80, 23,988.44 and 5,603.76 is: 8,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,992.80 : 23,988.44 = 5,603.76 : x
  2. Step 2: Convert to fraction form
    15,992.80/23,988.44 = 5,603.76/x
  3. Step 3: Cross multiply
    15,992.80x = 23,988.44 × 5,603.76
  4. Step 4: Simplify right side
    15,992.80x = 134,425,460.53
  5. Step 5: Solve for x
    x = 134,425,460.53/15,992.80
  6. Step 6: Final answer
    x = 8,405.37

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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.