Home / 15,329.19-22,982.13-7,928.94

Finding the Fourth Proportional to 15,329.19, 22,982.13 and 7,928.94

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Solution

The fourth proportional to 15,329.19, 22,982.13 and 7,928.94 is: 11,887.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,329.19 : 22,982.13 = 7,928.94 : x
  2. Step 2: Convert to fraction form
    15,329.19/22,982.13 = 7,928.94/x
  3. Step 3: Cross multiply
    15,329.19x = 22,982.13 × 7,928.94
  4. Step 4: Simplify right side
    15,329.19x = 182,223,929.84
  5. Step 5: Solve for x
    x = 182,223,929.84/15,329.19
  6. Step 6: Final answer
    x = 11,887.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.