Home / 14,910.37-20,567.75-8,938.58

Finding the Fourth Proportional to 14,910.37, 20,567.75 and 8,938.58

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Solution

The fourth proportional to 14,910.37, 20,567.75 and 8,938.58 is: 12,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.37 : 20,567.75 = 8,938.58 : x
  2. Step 2: Convert to fraction form
    14,910.37/20,567.75 = 8,938.58/x
  3. Step 3: Cross multiply
    14,910.37x = 20,567.75 × 8,938.58
  4. Step 4: Simplify right side
    14,910.37x = 183,846,331.26
  5. Step 5: Solve for x
    x = 183,846,331.26/14,910.37
  6. Step 6: Final answer
    x = 12,330.10

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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.