Home / 17,855.28-24,639.84-9,897.48

Finding the Fourth Proportional to 17,855.28, 24,639.84 and 9,897.48

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Solution

The fourth proportional to 17,855.28, 24,639.84 and 9,897.48 is: 13,658.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855.28 : 24,639.84 = 9,897.48 : x
  2. Step 2: Convert to fraction form
    17,855.28/24,639.84 = 9,897.48/x
  3. Step 3: Cross multiply
    17,855.28x = 24,639.84 × 9,897.48
  4. Step 4: Simplify right side
    17,855.28x = 243,872,323.60
  5. Step 5: Solve for x
    x = 243,872,323.60/17,855.28
  6. Step 6: Final answer
    x = 13,658.27

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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.