Home / 25,454.22-35,128.75-14,125.86

Finding the Fourth Proportional to 25,454.22, 35,128.75 and 14,125.86

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Solution

The fourth proportional to 25,454.22, 35,128.75 and 14,125.86 is: 19,494.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,454.22 : 35,128.75 = 14,125.86 : x
  2. Step 2: Convert to fraction form
    25,454.22/35,128.75 = 14,125.86/x
  3. Step 3: Cross multiply
    25,454.22x = 35,128.75 × 14,125.86
  4. Step 4: Simplify right side
    25,454.22x = 496,223,815.51
  5. Step 5: Solve for x
    x = 496,223,815.51/25,454.22
  6. Step 6: Final answer
    x = 19,494.75

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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.