Home / 17,135.60-25,703.40-4,657.55

Finding the Fourth Proportional to 17,135.60, 25,703.40 and 4,657.55

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Solution

The fourth proportional to 17,135.60, 25,703.40 and 4,657.55 is: 6,986.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,135.60 : 25,703.40 = 4,657.55 : x
  2. Step 2: Convert to fraction form
    17,135.60/25,703.40 = 4,657.55/x
  3. Step 3: Cross multiply
    17,135.60x = 25,703.40 × 4,657.55
  4. Step 4: Simplify right side
    17,135.60x = 119,714,870.67
  5. Step 5: Solve for x
    x = 119,714,870.67/17,135.60
  6. Step 6: Final answer
    x = 6,986.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.