Home / 15,641.54-21,585.44-8,567.96

Finding the Fourth Proportional to 15,641.54, 21,585.44 and 8,567.96

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Solution

The fourth proportional to 15,641.54, 21,585.44 and 8,567.96 is: 11,823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,641.54 : 21,585.44 = 8,567.96 : x
  2. Step 2: Convert to fraction form
    15,641.54/21,585.44 = 8,567.96/x
  3. Step 3: Cross multiply
    15,641.54x = 21,585.44 × 8,567.96
  4. Step 4: Simplify right side
    15,641.54x = 184,943,186.50
  5. Step 5: Solve for x
    x = 184,943,186.50/15,641.54
  6. Step 6: Final answer
    x = 11,823.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.