Home / 13,600.51-18,768.65-7,632.23

Finding the Fourth Proportional to 13,600.51, 18,768.65 and 7,632.23

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Solution

The fourth proportional to 13,600.51, 18,768.65 and 7,632.23 is: 10,532.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.51 : 18,768.65 = 7,632.23 : x
  2. Step 2: Convert to fraction form
    13,600.51/18,768.65 = 7,632.23/x
  3. Step 3: Cross multiply
    13,600.51x = 18,768.65 × 7,632.23
  4. Step 4: Simplify right side
    13,600.51x = 143,246,521.59
  5. Step 5: Solve for x
    x = 143,246,521.59/13,600.51
  6. Step 6: Final answer
    x = 10,532.44

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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.