Home / 19,043.70-28,565.55-14,135.10

Finding the Fourth Proportional to 19,043.70, 28,565.55 and 14,135.10

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Solution

The fourth proportional to 19,043.70, 28,565.55 and 14,135.10 is: 21,202.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.70 : 28,565.55 = 14,135.10 : x
  2. Step 2: Convert to fraction form
    19,043.70/28,565.55 = 14,135.10/x
  3. Step 3: Cross multiply
    19,043.70x = 28,565.55 × 14,135.10
  4. Step 4: Simplify right side
    19,043.70x = 403,776,905.81
  5. Step 5: Solve for x
    x = 403,776,905.81/19,043.70
  6. Step 6: Final answer
    x = 21,202.65

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Similar ratio
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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.