Home / 25,804.95-35,614.13-15,195.57

Finding the Fourth Proportional to 25,804.95, 35,614.13 and 15,195.57

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Solution

The fourth proportional to 25,804.95, 35,614.13 and 15,195.57 is: 20,971.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,804.95 : 35,614.13 = 15,195.57 : x
  2. Step 2: Convert to fraction form
    25,804.95/35,614.13 = 15,195.57/x
  3. Step 3: Cross multiply
    25,804.95x = 35,614.13 × 15,195.57
  4. Step 4: Simplify right side
    25,804.95x = 541,177,005.40
  5. Step 5: Solve for x
    x = 541,177,005.40/25,804.95
  6. Step 6: Final answer
    x = 20,971.83

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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.