Home / 13,270.24-18,312.73-7,301.55

Finding the Fourth Proportional to 13,270.24, 18,312.73 and 7,301.55

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Solution

The fourth proportional to 13,270.24, 18,312.73 and 7,301.55 is: 10,076.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.24 : 18,312.73 = 7,301.55 : x
  2. Step 2: Convert to fraction form
    13,270.24/18,312.73 = 7,301.55/x
  3. Step 3: Cross multiply
    13,270.24x = 18,312.73 × 7,301.55
  4. Step 4: Simplify right side
    13,270.24x = 133,711,313.73
  5. Step 5: Solve for x
    x = 133,711,313.73/13,270.24
  6. Step 6: Final answer
    x = 10,076.03

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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.