Home / 14,938.05-20,620.89-10,633.92

Finding the Fourth Proportional to 14,938.05, 20,620.89 and 10,633.92

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Solution

The fourth proportional to 14,938.05, 20,620.89 and 10,633.92 is: 14,679.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,938.05 : 20,620.89 = 10,633.92 : x
  2. Step 2: Convert to fraction form
    14,938.05/20,620.89 = 10,633.92/x
  3. Step 3: Cross multiply
    14,938.05x = 20,620.89 × 10,633.92
  4. Step 4: Simplify right side
    14,938.05x = 219,280,894.59
  5. Step 5: Solve for x
    x = 219,280,894.59/14,938.05
  6. Step 6: Final answer
    x = 14,679.35

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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.