Home / 16,931.74-23,364.99-9,377.56

Finding the Fourth Proportional to 16,931.74, 23,364.99 and 9,377.56

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Solution

The fourth proportional to 16,931.74, 23,364.99 and 9,377.56 is: 12,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.74 : 23,364.99 = 9,377.56 : x
  2. Step 2: Convert to fraction form
    16,931.74/23,364.99 = 9,377.56/x
  3. Step 3: Cross multiply
    16,931.74x = 23,364.99 × 9,377.56
  4. Step 4: Simplify right side
    16,931.74x = 219,106,595.62
  5. Step 5: Solve for x
    x = 219,106,595.62/16,931.74
  6. Step 6: Final answer
    x = 12,940.58

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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.