Home / 25,798.29-35,613.45-18,778.02

Finding the Fourth Proportional to 25,798.29, 35,613.45 and 18,778.02

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Solution

The fourth proportional to 25,798.29, 35,613.45 and 18,778.02 is: 25,922.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,798.29 : 35,613.45 = 18,778.02 : x
  2. Step 2: Convert to fraction form
    25,798.29/35,613.45 = 18,778.02/x
  3. Step 3: Cross multiply
    25,798.29x = 35,613.45 × 18,778.02
  4. Step 4: Simplify right side
    25,798.29x = 668,750,076.37
  5. Step 5: Solve for x
    x = 668,750,076.37/25,798.29
  6. Step 6: Final answer
    x = 25,922.26

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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.