Home / 14,511.36-20,008.59-13,435.34

Finding the Fourth Proportional to 14,511.36, 20,008.59 and 13,435.34

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Solution

The fourth proportional to 14,511.36, 20,008.59 and 13,435.34 is: 18,524.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.36 : 20,008.59 = 13,435.34 : x
  2. Step 2: Convert to fraction form
    14,511.36/20,008.59 = 13,435.34/x
  3. Step 3: Cross multiply
    14,511.36x = 20,008.59 × 13,435.34
  4. Step 4: Simplify right side
    14,511.36x = 268,822,209.57
  5. Step 5: Solve for x
    x = 268,822,209.57/14,511.36
  6. Step 6: Final answer
    x = 18,524.95

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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.