Home / 13,736.60-20,605.69-5,303.15

Finding the Fourth Proportional to 13,736.60, 20,605.69 and 5,303.15

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Solution

The fourth proportional to 13,736.60, 20,605.69 and 5,303.15 is: 7,955.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.60 : 20,605.69 = 5,303.15 : x
  2. Step 2: Convert to fraction form
    13,736.60/20,605.69 = 5,303.15/x
  3. Step 3: Cross multiply
    13,736.60x = 20,605.69 × 5,303.15
  4. Step 4: Simplify right side
    13,736.60x = 109,275,045.80
  5. Step 5: Solve for x
    x = 109,275,045.80/13,736.60
  6. Step 6: Final answer
    x = 7,955.03

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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.