Home / 22,579.14-31,142.43-14,615.22

Finding the Fourth Proportional to 22,579.14, 31,142.43 and 14,615.22

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Solution

The fourth proportional to 22,579.14, 31,142.43 and 14,615.22 is: 20,158.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,579.14 : 31,142.43 = 14,615.22 : x
  2. Step 2: Convert to fraction form
    22,579.14/31,142.43 = 14,615.22/x
  3. Step 3: Cross multiply
    22,579.14x = 31,142.43 × 14,615.22
  4. Step 4: Simplify right side
    22,579.14x = 455,153,465.78
  5. Step 5: Solve for x
    x = 455,153,465.78/22,579.14
  6. Step 6: Final answer
    x = 20,158.14

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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.