Home / 13,894.24-19,173.76-7,606.40

Finding the Fourth Proportional to 13,894.24, 19,173.76 and 7,606.40

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Solution

The fourth proportional to 13,894.24, 19,173.76 and 7,606.40 is: 10,496.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894.24 : 19,173.76 = 7,606.40 : x
  2. Step 2: Convert to fraction form
    13,894.24/19,173.76 = 7,606.40/x
  3. Step 3: Cross multiply
    13,894.24x = 19,173.76 × 7,606.40
  4. Step 4: Simplify right side
    13,894.24x = 145,843,288.06
  5. Step 5: Solve for x
    x = 145,843,288.06/13,894.24
  6. Step 6: Final answer
    x = 10,496.67

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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.