Home / 25,525.88-35,242.16-16,455.32

Finding the Fourth Proportional to 25,525.88, 35,242.16 and 16,455.32

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Solution

The fourth proportional to 25,525.88, 35,242.16 and 16,455.32 is: 22,718.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,525.88 : 35,242.16 = 16,455.32 : x
  2. Step 2: Convert to fraction form
    25,525.88/35,242.16 = 16,455.32/x
  3. Step 3: Cross multiply
    25,525.88x = 35,242.16 × 16,455.32
  4. Step 4: Simplify right side
    25,525.88x = 579,921,020.29
  5. Step 5: Solve for x
    x = 579,921,020.29/25,525.88
  6. Step 6: Final answer
    x = 22,718.94

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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.