Home / 14,046.40-21,070.80-4,185.04

Finding the Fourth Proportional to 14,046.40, 21,070.80 and 4,185.04

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Solution

The fourth proportional to 14,046.40, 21,070.80 and 4,185.04 is: 6,277.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,046.40 : 21,070.80 = 4,185.04 : x
  2. Step 2: Convert to fraction form
    14,046.40/21,070.80 = 4,185.04/x
  3. Step 3: Cross multiply
    14,046.40x = 21,070.80 × 4,185.04
  4. Step 4: Simplify right side
    14,046.40x = 88,182,140.83
  5. Step 5: Solve for x
    x = 88,182,140.83/14,046.40
  6. Step 6: Final answer
    x = 6,277.92

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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.