Home / 13,615.12-20,424.84-4,733.16

Finding the Fourth Proportional to 13,615.12, 20,424.84 and 4,733.16

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Solution

The fourth proportional to 13,615.12, 20,424.84 and 4,733.16 is: 7,100.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,615.12 : 20,424.84 = 4,733.16 : x
  2. Step 2: Convert to fraction form
    13,615.12/20,424.84 = 4,733.16/x
  3. Step 3: Cross multiply
    13,615.12x = 20,424.84 × 4,733.16
  4. Step 4: Simplify right side
    13,615.12x = 96,674,035.69
  5. Step 5: Solve for x
    x = 96,674,035.69/13,615.12
  6. Step 6: Final answer
    x = 7,100.49

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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.