Home / 43,901.12-65,835.20-15,813.60

Finding the Fourth Proportional to 43,901.12, 65,835.20 and 15,813.60

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Solution

The fourth proportional to 43,901.12, 65,835.20 and 15,813.60 is: 23,714.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,901.12 : 65,835.20 = 15,813.60 : x
  2. Step 2: Convert to fraction form
    43,901.12/65,835.20 = 15,813.60/x
  3. Step 3: Cross multiply
    43,901.12x = 65,835.20 × 15,813.60
  4. Step 4: Simplify right side
    43,901.12x = 1,041,091,518.72
  5. Step 5: Solve for x
    x = 1,041,091,518.72/43,901.12
  6. Step 6: Final answer
    x = 23,714.46

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1.5x scale

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.