Home / 25,453.11-35,145.93-15,904.13

Finding the Fourth Proportional to 25,453.11, 35,145.93 and 15,904.13

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Solution

The fourth proportional to 25,453.11, 35,145.93 and 15,904.13 is: 21,960.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,453.11 : 35,145.93 = 15,904.13 : x
  2. Step 2: Convert to fraction form
    25,453.11/35,145.93 = 15,904.13/x
  3. Step 3: Cross multiply
    25,453.11x = 35,145.93 × 15,904.13
  4. Step 4: Simplify right side
    25,453.11x = 558,965,323.60
  5. Step 5: Solve for x
    x = 558,965,323.60/25,453.11
  6. Step 6: Final answer
    x = 21,960.59

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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.