Home / 25,795.16-35,603.66-15,729.16

Finding the Fourth Proportional to 25,795.16, 35,603.66 and 15,729.16

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Solution

The fourth proportional to 25,795.16, 35,603.66 and 15,729.16 is: 21,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,795.16 : 35,603.66 = 15,729.16 : x
  2. Step 2: Convert to fraction form
    25,795.16/35,603.66 = 15,729.16/x
  3. Step 3: Cross multiply
    25,795.16x = 35,603.66 × 15,729.16
  4. Step 4: Simplify right side
    25,795.16x = 560,015,664.73
  5. Step 5: Solve for x
    x = 560,015,664.73/25,795.16
  6. Step 6: Final answer
    x = 21,710.11

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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.