Home / 25,479.18-35,161.56-14,148.90

Finding the Fourth Proportional to 25,479.18, 35,161.56 and 14,148.90

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Solution

The fourth proportional to 25,479.18, 35,161.56 and 14,148.90 is: 19,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,479.18 : 35,161.56 = 14,148.90 : x
  2. Step 2: Convert to fraction form
    25,479.18/35,161.56 = 14,148.90/x
  3. Step 3: Cross multiply
    25,479.18x = 35,161.56 × 14,148.90
  4. Step 4: Simplify right side
    25,479.18x = 497,497,396.28
  5. Step 5: Solve for x
    x = 497,497,396.28/25,479.18
  6. Step 6: Final answer
    x = 19,525.64

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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.