Home / 19,001.81-28,503.12-5,854.16

Finding the Fourth Proportional to 19,001.81, 28,503.12 and 5,854.16

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Solution

The fourth proportional to 19,001.81, 28,503.12 and 5,854.16 is: 8,781.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.81 : 28,503.12 = 5,854.16 : x
  2. Step 2: Convert to fraction form
    19,001.81/28,503.12 = 5,854.16/x
  3. Step 3: Cross multiply
    19,001.81x = 28,503.12 × 5,854.16
  4. Step 4: Simplify right side
    19,001.81x = 166,861,682.46
  5. Step 5: Solve for x
    x = 166,861,682.46/19,001.81
  6. Step 6: Final answer
    x = 8,781.36

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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.