Home / 21,826.16-32,739.28-10,133.04

Finding the Fourth Proportional to 21,826.16, 32,739.28 and 10,133.04

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Solution

The fourth proportional to 21,826.16, 32,739.28 and 10,133.04 is: 15,199.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,826.16 : 32,739.28 = 10,133.04 : x
  2. Step 2: Convert to fraction form
    21,826.16/32,739.28 = 10,133.04/x
  3. Step 3: Cross multiply
    21,826.16x = 32,739.28 × 10,133.04
  4. Step 4: Simplify right side
    21,826.16x = 331,748,433.81
  5. Step 5: Solve for x
    x = 331,748,433.81/21,826.16
  6. Step 6: Final answer
    x = 15,199.58

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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.