Home / 14,606.34-20,155.61-8,938.74

Finding the Fourth Proportional to 14,606.34, 20,155.61 and 8,938.74

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Solution

The fourth proportional to 14,606.34, 20,155.61 and 8,938.74 is: 12,334.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,606.34 : 20,155.61 = 8,938.74 : x
  2. Step 2: Convert to fraction form
    14,606.34/20,155.61 = 8,938.74/x
  3. Step 3: Cross multiply
    14,606.34x = 20,155.61 × 8,938.74
  4. Step 4: Simplify right side
    14,606.34x = 180,165,757.33
  5. Step 5: Solve for x
    x = 180,165,757.33/14,606.34
  6. Step 6: Final answer
    x = 12,334.76

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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.