Home / 43,862.64-65,786.28-14,276.16

Finding the Fourth Proportional to 43,862.64, 65,786.28 and 14,276.16

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Solution

The fourth proportional to 43,862.64, 65,786.28 and 14,276.16 is: 21,411.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,862.64 : 65,786.28 = 14,276.16 : x
  2. Step 2: Convert to fraction form
    43,862.64/65,786.28 = 14,276.16/x
  3. Step 3: Cross multiply
    43,862.64x = 65,786.28 × 14,276.16
  4. Step 4: Simplify right side
    43,862.64x = 939,175,459.08
  5. Step 5: Solve for x
    x = 939,175,459.08/43,862.64
  6. Step 6: Final answer
    x = 21,411.74

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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.