Home / 14,909.84-20,583.28-11,725.12

Finding the Fourth Proportional to 14,909.84, 20,583.28 and 11,725.12

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Solution

The fourth proportional to 14,909.84, 20,583.28 and 11,725.12 is: 16,186.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.84 : 20,583.28 = 11,725.12 : x
  2. Step 2: Convert to fraction form
    14,909.84/20,583.28 = 11,725.12/x
  3. Step 3: Cross multiply
    14,909.84x = 20,583.28 × 11,725.12
  4. Step 4: Simplify right side
    14,909.84x = 241,341,427.99
  5. Step 5: Solve for x
    x = 241,341,427.99/14,909.84
  6. Step 6: Final answer
    x = 16,186.72

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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.