Home / 14,708.72-22,173.28-13,731.12

Finding the Fourth Proportional to 14,708.72, 22,173.28 and 13,731.12

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Solution

The fourth proportional to 14,708.72, 22,173.28 and 13,731.12 is: 20,699.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,708.72 : 22,173.28 = 13,731.12 : x
  2. Step 2: Convert to fraction form
    14,708.72/22,173.28 = 13,731.12/x
  3. Step 3: Cross multiply
    14,708.72x = 22,173.28 × 13,731.12
  4. Step 4: Simplify right side
    14,708.72x = 304,463,968.47
  5. Step 5: Solve for x
    x = 304,463,968.47/14,708.72
  6. Step 6: Final answer
    x = 20,699.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.