Home / 25,582.18-35,289.25-21,296.86

Finding the Fourth Proportional to 25,582.18, 35,289.25 and 21,296.86

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Solution

The fourth proportional to 25,582.18, 35,289.25 and 21,296.86 is: 29,377.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,582.18 : 35,289.25 = 21,296.86 : x
  2. Step 2: Convert to fraction form
    25,582.18/35,289.25 = 21,296.86/x
  3. Step 3: Cross multiply
    25,582.18x = 35,289.25 × 21,296.86
  4. Step 4: Simplify right side
    25,582.18x = 751,550,216.76
  5. Step 5: Solve for x
    x = 751,550,216.76/25,582.18
  6. Step 6: Final answer
    x = 29,377.88

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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.