Home / 18,778.12-28,140.86-14,599

Finding the Fourth Proportional to 18,778.12, 28,140.86 and 14,599

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Solution

The fourth proportional to 18,778.12, 28,140.86 and 14,599 is: 21,878.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,778.12 : 28,140.86 = 14,599 : x
  2. Step 2: Convert to fraction form
    18,778.12/28,140.86 = 14,599/x
  3. Step 3: Cross multiply
    18,778.12x = 28,140.86 × 14,599
  4. Step 4: Simplify right side
    18,778.12x = 410,828,415.14
  5. Step 5: Solve for x
    x = 410,828,415.14/18,778.12
  6. Step 6: Final answer
    x = 21,878.04

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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.