Home / 14,909.43-20,563.02-13,113.12

Finding the Fourth Proportional to 14,909.43, 20,563.02 and 13,113.12

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Solution

The fourth proportional to 14,909.43, 20,563.02 and 13,113.12 is: 18,085.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.43 : 20,563.02 = 13,113.12 : x
  2. Step 2: Convert to fraction form
    14,909.43/20,563.02 = 13,113.12/x
  3. Step 3: Cross multiply
    14,909.43x = 20,563.02 × 13,113.12
  4. Step 4: Simplify right side
    14,909.43x = 269,645,348.82
  5. Step 5: Solve for x
    x = 269,645,348.82/14,909.43
  6. Step 6: Final answer
    x = 18,085.56

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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.