Home / 13,245.99-19,869.48-4,928.10

Finding the Fourth Proportional to 13,245.99, 19,869.48 and 4,928.10

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Solution

The fourth proportional to 13,245.99, 19,869.48 and 4,928.10 is: 7,392.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.99 : 19,869.48 = 4,928.10 : x
  2. Step 2: Convert to fraction form
    13,245.99/19,869.48 = 4,928.10/x
  3. Step 3: Cross multiply
    13,245.99x = 19,869.48 × 4,928.10
  4. Step 4: Simplify right side
    13,245.99x = 97,918,784.39
  5. Step 5: Solve for x
    x = 97,918,784.39/13,245.99
  6. Step 6: Final answer
    x = 7,392.33

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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.