Home / 22,279.04-30,749.40-14,725.76

Finding the Fourth Proportional to 22,279.04, 30,749.40 and 14,725.76

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Solution

The fourth proportional to 22,279.04, 30,749.40 and 14,725.76 is: 20,324.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,279.04 : 30,749.40 = 14,725.76 : x
  2. Step 2: Convert to fraction form
    22,279.04/30,749.40 = 14,725.76/x
  3. Step 3: Cross multiply
    22,279.04x = 30,749.40 × 14,725.76
  4. Step 4: Simplify right side
    22,279.04x = 452,808,284.54
  5. Step 5: Solve for x
    x = 452,808,284.54/22,279.04
  6. Step 6: Final answer
    x = 20,324.41

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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.