Home / 14,250.24-21,374.88-6,453.60

Finding the Fourth Proportional to 14,250.24, 21,374.88 and 6,453.60

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Solution

The fourth proportional to 14,250.24, 21,374.88 and 6,453.60 is: 9,680.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.24 : 21,374.88 = 6,453.60 : x
  2. Step 2: Convert to fraction form
    14,250.24/21,374.88 = 6,453.60/x
  3. Step 3: Cross multiply
    14,250.24x = 21,374.88 × 6,453.60
  4. Step 4: Simplify right side
    14,250.24x = 137,944,925.57
  5. Step 5: Solve for x
    x = 137,944,925.57/14,250.24
  6. Step 6: Final answer
    x = 9,680.18

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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.