Home / 25,816.37-35,618.06-15,741.14

Finding the Fourth Proportional to 25,816.37, 35,618.06 and 15,741.14

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Solution

The fourth proportional to 25,816.37, 35,618.06 and 15,741.14 is: 21,717.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,816.37 : 35,618.06 = 15,741.14 : x
  2. Step 2: Convert to fraction form
    25,816.37/35,618.06 = 15,741.14/x
  3. Step 3: Cross multiply
    25,816.37x = 35,618.06 × 15,741.14
  4. Step 4: Simplify right side
    25,816.37x = 560,668,730.25
  5. Step 5: Solve for x
    x = 560,668,730.25/25,816.37
  6. Step 6: Final answer
    x = 21,717.57

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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.