Home / 13,307.20-19,944.60-5,903.80

Finding the Fourth Proportional to 13,307.20, 19,944.60 and 5,903.80

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Solution

The fourth proportional to 13,307.20, 19,944.60 and 5,903.80 is: 8,848.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.20 : 19,944.60 = 5,903.80 : x
  2. Step 2: Convert to fraction form
    13,307.20/19,944.60 = 5,903.80/x
  3. Step 3: Cross multiply
    13,307.20x = 19,944.60 × 5,903.80
  4. Step 4: Simplify right side
    13,307.20x = 117,748,929.48
  5. Step 5: Solve for x
    x = 117,748,929.48/13,307.20
  6. Step 6: Final answer
    x = 8,848.51

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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.