Home / 25,881.37-35,718.57-15,268.93

Finding the Fourth Proportional to 25,881.37, 35,718.57 and 15,268.93

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Solution

The fourth proportional to 25,881.37, 35,718.57 and 15,268.93 is: 21,072.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,881.37 : 35,718.57 = 15,268.93 : x
  2. Step 2: Convert to fraction form
    25,881.37/35,718.57 = 15,268.93/x
  3. Step 3: Cross multiply
    25,881.37x = 35,718.57 × 15,268.93
  4. Step 4: Simplify right side
    25,881.37x = 545,384,345.03
  5. Step 5: Solve for x
    x = 545,384,345.03/25,881.37
  6. Step 6: Final answer
    x = 21,072.47

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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.