Home / 25,693.14-35,455.95-15,083.76

Finding the Fourth Proportional to 25,693.14, 35,455.95 and 15,083.76

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Solution

The fourth proportional to 25,693.14, 35,455.95 and 15,083.76 is: 20,815.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,693.14 : 35,455.95 = 15,083.76 : x
  2. Step 2: Convert to fraction form
    25,693.14/35,455.95 = 15,083.76/x
  3. Step 3: Cross multiply
    25,693.14x = 35,455.95 × 15,083.76
  4. Step 4: Simplify right side
    25,693.14x = 534,809,040.37
  5. Step 5: Solve for x
    x = 534,809,040.37/25,693.14
  6. Step 6: Final answer
    x = 20,815.25

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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.