Home / 17,843.15-24,623.75-9,885.50

Finding the Fourth Proportional to 17,843.15, 24,623.75 and 9,885.50

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Solution

The fourth proportional to 17,843.15, 24,623.75 and 9,885.50 is: 13,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,843.15 : 24,623.75 = 9,885.50 : x
  2. Step 2: Convert to fraction form
    17,843.15/24,623.75 = 9,885.50/x
  3. Step 3: Cross multiply
    17,843.15x = 24,623.75 × 9,885.50
  4. Step 4: Simplify right side
    17,843.15x = 243,418,031.20
  5. Step 5: Solve for x
    x = 243,418,031.20/17,843.15
  6. Step 6: Final answer
    x = 13,642.10

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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.