Home / 14,248.99-21,374.70-3,720.41

Finding the Fourth Proportional to 14,248.99, 21,374.70 and 3,720.41

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Solution

The fourth proportional to 14,248.99, 21,374.70 and 3,720.41 is: 5,580.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.99 : 21,374.70 = 3,720.41 : x
  2. Step 2: Convert to fraction form
    14,248.99/21,374.70 = 3,720.41/x
  3. Step 3: Cross multiply
    14,248.99x = 21,374.70 × 3,720.41
  4. Step 4: Simplify right side
    14,248.99x = 79,522,526.80
  5. Step 5: Solve for x
    x = 79,522,526.80/14,248.99
  6. Step 6: Final answer
    x = 5,580.92

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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.