Home / 14,897.93-20,556.28-10,121.66

Finding the Fourth Proportional to 14,897.93, 20,556.28 and 10,121.66

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Solution

The fourth proportional to 14,897.93, 20,556.28 and 10,121.66 is: 13,965.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,897.93 : 20,556.28 = 10,121.66 : x
  2. Step 2: Convert to fraction form
    14,897.93/20,556.28 = 10,121.66/x
  3. Step 3: Cross multiply
    14,897.93x = 20,556.28 × 10,121.66
  4. Step 4: Simplify right side
    14,897.93x = 208,063,663.98
  5. Step 5: Solve for x
    x = 208,063,663.98/14,897.93
  6. Step 6: Final answer
    x = 13,965.95

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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.