Home / 16,659.90-24,981.35-4,971.60

Finding the Fourth Proportional to 16,659.90, 24,981.35 and 4,971.60

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Solution

The fourth proportional to 16,659.90, 24,981.35 and 4,971.60 is: 7,454.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,659.90 : 24,981.35 = 4,971.60 : x
  2. Step 2: Convert to fraction form
    16,659.90/24,981.35 = 4,971.60/x
  3. Step 3: Cross multiply
    16,659.90x = 24,981.35 × 4,971.60
  4. Step 4: Simplify right side
    16,659.90x = 124,197,254.80
  5. Step 5: Solve for x
    x = 124,197,254.80/16,659.90
  6. Step 6: Final answer
    x = 7,454.86

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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.