Home / 13,358.88-18,442.61-10,000.48

Finding the Fourth Proportional to 13,358.88, 18,442.61 and 10,000.48

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Solution

The fourth proportional to 13,358.88, 18,442.61 and 10,000.48 is: 13,806.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.88 : 18,442.61 = 10,000.48 : x
  2. Step 2: Convert to fraction form
    13,358.88/18,442.61 = 10,000.48/x
  3. Step 3: Cross multiply
    13,358.88x = 18,442.61 × 10,000.48
  4. Step 4: Simplify right side
    13,358.88x = 184,434,952.45
  5. Step 5: Solve for x
    x = 184,434,952.45/13,358.88
  6. Step 6: Final answer
    x = 13,806.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.