Home / 19,016.31-28,516.29-6,537.55

Finding the Fourth Proportional to 19,016.31, 28,516.29 and 6,537.55

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Solution

The fourth proportional to 19,016.31, 28,516.29 and 6,537.55 is: 9,803.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,016.31 : 28,516.29 = 6,537.55 : x
  2. Step 2: Convert to fraction form
    19,016.31/28,516.29 = 6,537.55/x
  3. Step 3: Cross multiply
    19,016.31x = 28,516.29 × 6,537.55
  4. Step 4: Simplify right side
    19,016.31x = 186,426,671.69
  5. Step 5: Solve for x
    x = 186,426,671.69/19,016.31
  6. Step 6: Final answer
    x = 9,803.51

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1.5x scale

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.