Home / 14,897.25-20,556.66-8,928.76

Finding the Fourth Proportional to 14,897.25, 20,556.66 and 8,928.76

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Solution

The fourth proportional to 14,897.25, 20,556.66 and 8,928.76 is: 12,320.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,897.25 : 20,556.66 = 8,928.76 : x
  2. Step 2: Convert to fraction form
    14,897.25/20,556.66 = 8,928.76/x
  3. Step 3: Cross multiply
    14,897.25x = 20,556.66 × 8,928.76
  4. Step 4: Simplify right side
    14,897.25x = 183,545,483.54
  5. Step 5: Solve for x
    x = 183,545,483.54/14,897.25
  6. Step 6: Final answer
    x = 12,320.76

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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.