Home / 14,106.60-21,160.77-3,718.35

Finding the Fourth Proportional to 14,106.60, 21,160.77 and 3,718.35

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Solution

The fourth proportional to 14,106.60, 21,160.77 and 3,718.35 is: 5,577.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.60 : 21,160.77 = 3,718.35 : x
  2. Step 2: Convert to fraction form
    14,106.60/21,160.77 = 3,718.35/x
  3. Step 3: Cross multiply
    14,106.60x = 21,160.77 × 3,718.35
  4. Step 4: Simplify right side
    14,106.60x = 78,683,149.13
  5. Step 5: Solve for x
    x = 78,683,149.13/14,106.60
  6. Step 6: Final answer
    x = 5,577.75

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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.