Home / 13,330.17-19,992.78-4,894.83

Finding the Fourth Proportional to 13,330.17, 19,992.78 and 4,894.83

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Solution

The fourth proportional to 13,330.17, 19,992.78 and 4,894.83 is: 7,341.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.17 : 19,992.78 = 4,894.83 : x
  2. Step 2: Convert to fraction form
    13,330.17/19,992.78 = 4,894.83/x
  3. Step 3: Cross multiply
    13,330.17x = 19,992.78 × 4,894.83
  4. Step 4: Simplify right side
    13,330.17x = 97,861,259.33
  5. Step 5: Solve for x
    x = 97,861,259.33/13,330.17
  6. Step 6: Final answer
    x = 7,341.34

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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.