Home / 43,660.64-65,500.32-14,080.16

Finding the Fourth Proportional to 43,660.64, 65,500.32 and 14,080.16

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Solution

The fourth proportional to 43,660.64, 65,500.32 and 14,080.16 is: 21,123.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,660.64 : 65,500.32 = 14,080.16 : x
  2. Step 2: Convert to fraction form
    43,660.64/65,500.32 = 14,080.16/x
  3. Step 3: Cross multiply
    43,660.64x = 65,500.32 × 14,080.16
  4. Step 4: Simplify right side
    43,660.64x = 922,254,985.65
  5. Step 5: Solve for x
    x = 922,254,985.65/43,660.64
  6. Step 6: Final answer
    x = 21,123.26

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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.