Home / 25,630.60-35,317.74-18,905.58

Finding the Fourth Proportional to 25,630.60, 35,317.74 and 18,905.58

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Solution

The fourth proportional to 25,630.60, 35,317.74 and 18,905.58 is: 26,050.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,630.60 : 35,317.74 = 18,905.58 : x
  2. Step 2: Convert to fraction form
    25,630.60/35,317.74 = 18,905.58/x
  3. Step 3: Cross multiply
    25,630.60x = 35,317.74 × 18,905.58
  4. Step 4: Simplify right side
    25,630.60x = 667,702,358.99
  5. Step 5: Solve for x
    x = 667,702,358.99/25,630.60
  6. Step 6: Final answer
    x = 26,050.98

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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.