Home / 25,739.24-35,518.22-15,666.57

Finding the Fourth Proportional to 25,739.24, 35,518.22 and 15,666.57

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Solution

The fourth proportional to 25,739.24, 35,518.22 and 15,666.57 is: 21,618.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,739.24 : 35,518.22 = 15,666.57 : x
  2. Step 2: Convert to fraction form
    25,739.24/35,518.22 = 15,666.57/x
  3. Step 3: Cross multiply
    25,739.24x = 35,518.22 × 15,666.57
  4. Step 4: Simplify right side
    25,739.24x = 556,448,601.57
  5. Step 5: Solve for x
    x = 556,448,601.57/25,739.24
  6. Step 6: Final answer
    x = 21,618.69

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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.