Home / 16,938.21-23,377.40-9,670.32

Finding the Fourth Proportional to 16,938.21, 23,377.40 and 9,670.32

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Solution

The fourth proportional to 16,938.21, 23,377.40 and 9,670.32 is: 13,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.21 : 23,377.40 = 9,670.32 : x
  2. Step 2: Convert to fraction form
    16,938.21/23,377.40 = 9,670.32/x
  3. Step 3: Cross multiply
    16,938.21x = 23,377.40 × 9,670.32
  4. Step 4: Simplify right side
    16,938.21x = 226,066,890.42
  5. Step 5: Solve for x
    x = 226,066,890.42/16,938.21
  6. Step 6: Final answer
    x = 13,346.56

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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.