Home / 13,223.23-18,247.89-7,254.97

Finding the Fourth Proportional to 13,223.23, 18,247.89 and 7,254.97

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Solution

The fourth proportional to 13,223.23, 18,247.89 and 7,254.97 is: 10,011.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.23 : 18,247.89 = 7,254.97 : x
  2. Step 2: Convert to fraction form
    13,223.23/18,247.89 = 7,254.97/x
  3. Step 3: Cross multiply
    13,223.23x = 18,247.89 × 7,254.97
  4. Step 4: Simplify right side
    13,223.23x = 132,387,894.51
  5. Step 5: Solve for x
    x = 132,387,894.51/13,223.23
  6. Step 6: Final answer
    x = 10,011.77

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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.