Home / 14,984.40-22,476.60-13,720.80

Finding the Fourth Proportional to 14,984.40, 22,476.60 and 13,720.80

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Solution

The fourth proportional to 14,984.40, 22,476.60 and 13,720.80 is: 20,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984.40 : 22,476.60 = 13,720.80 : x
  2. Step 2: Convert to fraction form
    14,984.40/22,476.60 = 13,720.80/x
  3. Step 3: Cross multiply
    14,984.40x = 22,476.60 × 13,720.80
  4. Step 4: Simplify right side
    14,984.40x = 308,396,933.28
  5. Step 5: Solve for x
    x = 308,396,933.28/14,984.40
  6. Step 6: Final answer
    x = 20,581.20

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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.