Home / 19,875.10-29,834.51-15,741.66

Finding the Fourth Proportional to 19,875.10, 29,834.51 and 15,741.66

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Solution

The fourth proportional to 19,875.10, 29,834.51 and 15,741.66 is: 23,629.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875.10 : 29,834.51 = 15,741.66 : x
  2. Step 2: Convert to fraction form
    19,875.10/29,834.51 = 15,741.66/x
  3. Step 3: Cross multiply
    19,875.10x = 29,834.51 × 15,741.66
  4. Step 4: Simplify right side
    19,875.10x = 469,644,712.69
  5. Step 5: Solve for x
    x = 469,644,712.69/19,875.10
  6. Step 6: Final answer
    x = 23,629.80

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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.