Home / 14,227.60-21,338.45-4,232.40

Finding the Fourth Proportional to 14,227.60, 21,338.45 and 4,232.40

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Solution

The fourth proportional to 14,227.60, 21,338.45 and 4,232.40 is: 6,347.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.60 : 21,338.45 = 4,232.40 : x
  2. Step 2: Convert to fraction form
    14,227.60/21,338.45 = 4,232.40/x
  3. Step 3: Cross multiply
    14,227.60x = 21,338.45 × 4,232.40
  4. Step 4: Simplify right side
    14,227.60x = 90,312,855.78
  5. Step 5: Solve for x
    x = 90,312,855.78/14,227.60
  6. Step 6: Final answer
    x = 6,347.72

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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.