Home / 19,810.64-29,730.48-15,961.52

Finding the Fourth Proportional to 19,810.64, 29,730.48 and 15,961.52

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Solution

The fourth proportional to 19,810.64, 29,730.48 and 15,961.52 is: 23,953.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.64 : 29,730.48 = 15,961.52 : x
  2. Step 2: Convert to fraction form
    19,810.64/29,730.48 = 15,961.52/x
  3. Step 3: Cross multiply
    19,810.64x = 29,730.48 × 15,961.52
  4. Step 4: Simplify right side
    19,810.64x = 474,543,651.13
  5. Step 5: Solve for x
    x = 474,543,651.13/19,810.64
  6. Step 6: Final answer
    x = 23,953.98

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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.