Home / 17,857.28-24,642.60-9,899.48

Finding the Fourth Proportional to 17,857.28, 24,642.60 and 9,899.48

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Solution

The fourth proportional to 17,857.28, 24,642.60 and 9,899.48 is: 13,661.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,857.28 : 24,642.60 = 9,899.48 : x
  2. Step 2: Convert to fraction form
    17,857.28/24,642.60 = 9,899.48/x
  3. Step 3: Cross multiply
    17,857.28x = 24,642.60 × 9,899.48
  4. Step 4: Simplify right side
    17,857.28x = 243,948,925.85
  5. Step 5: Solve for x
    x = 243,948,925.85/17,857.28
  6. Step 6: Final answer
    x = 13,661.03

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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.