Home / 25,445.91-35,110.80-15,367.58

Finding the Fourth Proportional to 25,445.91, 35,110.80 and 15,367.58

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Solution

The fourth proportional to 25,445.91, 35,110.80 and 15,367.58 is: 21,204.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,445.91 : 35,110.80 = 15,367.58 : x
  2. Step 2: Convert to fraction form
    25,445.91/35,110.80 = 15,367.58/x
  3. Step 3: Cross multiply
    25,445.91x = 35,110.80 × 15,367.58
  4. Step 4: Simplify right side
    25,445.91x = 539,567,852.31
  5. Step 5: Solve for x
    x = 539,567,852.31/25,445.91
  6. Step 6: Final answer
    x = 21,204.50

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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.