Home / 14,897.15-20,556.78-8,522.45

Finding the Fourth Proportional to 14,897.15, 20,556.78 and 8,522.45

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Solution

The fourth proportional to 14,897.15, 20,556.78 and 8,522.45 is: 11,760.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,897.15 : 20,556.78 = 8,522.45 : x
  2. Step 2: Convert to fraction form
    14,897.15/20,556.78 = 8,522.45/x
  3. Step 3: Cross multiply
    14,897.15x = 20,556.78 × 8,522.45
  4. Step 4: Simplify right side
    14,897.15x = 175,194,129.71
  5. Step 5: Solve for x
    x = 175,194,129.71/14,897.15
  6. Step 6: Final answer
    x = 11,760.24

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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.