Home / 21,804.10-32,742.60-14,441.20

Finding the Fourth Proportional to 21,804.10, 32,742.60 and 14,441.20

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Solution

The fourth proportional to 21,804.10, 32,742.60 and 14,441.20 is: 21,685.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,804.10 : 32,742.60 = 14,441.20 : x
  2. Step 2: Convert to fraction form
    21,804.10/32,742.60 = 14,441.20/x
  3. Step 3: Cross multiply
    21,804.10x = 32,742.60 × 14,441.20
  4. Step 4: Simplify right side
    21,804.10x = 472,842,435.12
  5. Step 5: Solve for x
    x = 472,842,435.12/21,804.10
  6. Step 6: Final answer
    x = 21,685.94

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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.