Home / 14,077.80-21,101.58-5,763.42

Finding the Fourth Proportional to 14,077.80, 21,101.58 and 5,763.42

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Solution

The fourth proportional to 14,077.80, 21,101.58 and 5,763.42 is: 8,638.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.80 : 21,101.58 = 5,763.42 : x
  2. Step 2: Convert to fraction form
    14,077.80/21,101.58 = 5,763.42/x
  3. Step 3: Cross multiply
    14,077.80x = 21,101.58 × 5,763.42
  4. Step 4: Simplify right side
    14,077.80x = 121,617,268.20
  5. Step 5: Solve for x
    x = 121,617,268.20/14,077.80
  6. Step 6: Final answer
    x = 8,638.94

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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.