Home / 14,170.32-19,557.18-8,205.89

Finding the Fourth Proportional to 14,170.32, 19,557.18 and 8,205.89

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Solution

The fourth proportional to 14,170.32, 19,557.18 and 8,205.89 is: 11,325.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.32 : 19,557.18 = 8,205.89 : x
  2. Step 2: Convert to fraction form
    14,170.32/19,557.18 = 8,205.89/x
  3. Step 3: Cross multiply
    14,170.32x = 19,557.18 × 8,205.89
  4. Step 4: Simplify right side
    14,170.32x = 160,483,970.00
  5. Step 5: Solve for x
    x = 160,483,970.00/14,170.32
  6. Step 6: Final answer
    x = 11,325.36

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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.