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Finding the Fourth Proportional to 18,090.66, 24,962.90 and 10,538.22

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Solution

The fourth proportional to 18,090.66, 24,962.90 and 10,538.22 is: 14,541.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.66 : 24,962.90 = 10,538.22 : x
  2. Step 2: Convert to fraction form
    18,090.66/24,962.90 = 10,538.22/x
  3. Step 3: Cross multiply
    18,090.66x = 24,962.90 × 10,538.22
  4. Step 4: Simplify right side
    18,090.66x = 263,064,532.04
  5. Step 5: Solve for x
    x = 263,064,532.04/18,090.66
  6. Step 6: Final answer
    x = 14,541.46

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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.