Home / 16,938.24-23,381.64-12,460.56

Finding the Fourth Proportional to 16,938.24, 23,381.64 and 12,460.56

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Solution

The fourth proportional to 16,938.24, 23,381.64 and 12,460.56 is: 17,200.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.24 : 23,381.64 = 12,460.56 : x
  2. Step 2: Convert to fraction form
    16,938.24/23,381.64 = 12,460.56/x
  3. Step 3: Cross multiply
    16,938.24x = 23,381.64 × 12,460.56
  4. Step 4: Simplify right side
    16,938.24x = 291,348,328.12
  5. Step 5: Solve for x
    x = 291,348,328.12/16,938.24
  6. Step 6: Final answer
    x = 17,200.63

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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.