Home / 14,905.59-20,567.30-8,616.75

Finding the Fourth Proportional to 14,905.59, 20,567.30 and 8,616.75

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Solution

The fourth proportional to 14,905.59, 20,567.30 and 8,616.75 is: 11,889.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905.59 : 20,567.30 = 8,616.75 : x
  2. Step 2: Convert to fraction form
    14,905.59/20,567.30 = 8,616.75/x
  3. Step 3: Cross multiply
    14,905.59x = 20,567.30 × 8,616.75
  4. Step 4: Simplify right side
    14,905.59x = 177,223,239.19
  5. Step 5: Solve for x
    x = 177,223,239.19/14,905.59
  6. Step 6: Final answer
    x = 11,889.72

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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.