Home / 15,567.96-21,483.45-8,494.50

Finding the Fourth Proportional to 15,567.96, 21,483.45 and 8,494.50

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Solution

The fourth proportional to 15,567.96, 21,483.45 and 8,494.50 is: 11,722.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,567.96 : 21,483.45 = 8,494.50 : x
  2. Step 2: Convert to fraction form
    15,567.96/21,483.45 = 8,494.50/x
  3. Step 3: Cross multiply
    15,567.96x = 21,483.45 × 8,494.50
  4. Step 4: Simplify right side
    15,567.96x = 182,491,166.03
  5. Step 5: Solve for x
    x = 182,491,166.03/15,567.96
  6. Step 6: Final answer
    x = 11,722.23

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1.5x scale

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.