Home / 14,890.82-20,535.62-10,117.91

Finding the Fourth Proportional to 14,890.82, 20,535.62 and 10,117.91

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Solution

The fourth proportional to 14,890.82, 20,535.62 and 10,117.91 is: 13,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.82 : 20,535.62 = 10,117.91 : x
  2. Step 2: Convert to fraction form
    14,890.82/20,535.62 = 10,117.91/x
  3. Step 3: Cross multiply
    14,890.82x = 20,535.62 × 10,117.91
  4. Step 4: Simplify right side
    14,890.82x = 207,777,555.70
  5. Step 5: Solve for x
    x = 207,777,555.70/14,890.82
  6. Step 6: Final answer
    x = 13,953.40

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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.