Home / 21,345.18-32,037.16-10,822.54

Finding the Fourth Proportional to 21,345.18, 32,037.16 and 10,822.54

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Solution

The fourth proportional to 21,345.18, 32,037.16 and 10,822.54 is: 16,243.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,345.18 : 32,037.16 = 10,822.54 : x
  2. Step 2: Convert to fraction form
    21,345.18/32,037.16 = 10,822.54/x
  3. Step 3: Cross multiply
    21,345.18x = 32,037.16 × 10,822.54
  4. Step 4: Simplify right side
    21,345.18x = 346,723,445.59
  5. Step 5: Solve for x
    x = 346,723,445.59/21,345.18
  6. Step 6: Final answer
    x = 16,243.64

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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.