Home / 16,966.45-25,445.62-5,117.77

Finding the Fourth Proportional to 16,966.45, 25,445.62 and 5,117.77

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Solution

The fourth proportional to 16,966.45, 25,445.62 and 5,117.77 is: 7,675.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,966.45 : 25,445.62 = 5,117.77 : x
  2. Step 2: Convert to fraction form
    16,966.45/25,445.62 = 5,117.77/x
  3. Step 3: Cross multiply
    16,966.45x = 25,445.62 × 5,117.77
  4. Step 4: Simplify right side
    16,966.45x = 130,224,830.67
  5. Step 5: Solve for x
    x = 130,224,830.67/16,966.45
  6. Step 6: Final answer
    x = 7,675.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.