Home / 14,672.10-21,950.55-13,289.70

Finding the Fourth Proportional to 14,672.10, 21,950.55 and 13,289.70

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Solution

The fourth proportional to 14,672.10, 21,950.55 and 13,289.70 is: 19,882.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672.10 : 21,950.55 = 13,289.70 : x
  2. Step 2: Convert to fraction form
    14,672.10/21,950.55 = 13,289.70/x
  3. Step 3: Cross multiply
    14,672.10x = 21,950.55 × 13,289.70
  4. Step 4: Simplify right side
    14,672.10x = 291,716,224.34
  5. Step 5: Solve for x
    x = 291,716,224.34/14,672.10
  6. Step 6: Final answer
    x = 19,882.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.