Home / 16,931.24-23,365.31-9,377.72

Finding the Fourth Proportional to 16,931.24, 23,365.31 and 9,377.72

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Solution

The fourth proportional to 16,931.24, 23,365.31 and 9,377.72 is: 12,941.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.24 : 23,365.31 = 9,377.72 : x
  2. Step 2: Convert to fraction form
    16,931.24/23,365.31 = 9,377.72/x
  3. Step 3: Cross multiply
    16,931.24x = 23,365.31 × 9,377.72
  4. Step 4: Simplify right side
    16,931.24x = 219,113,171.18
  5. Step 5: Solve for x
    x = 219,113,171.18/16,931.24
  6. Step 6: Final answer
    x = 12,941.36

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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.