Home / 16,565.54-22,860.28-9,396.78

Finding the Fourth Proportional to 16,565.54, 22,860.28 and 9,396.78

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Solution

The fourth proportional to 16,565.54, 22,860.28 and 9,396.78 is: 12,967.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,565.54 : 22,860.28 = 9,396.78 : x
  2. Step 2: Convert to fraction form
    16,565.54/22,860.28 = 9,396.78/x
  3. Step 3: Cross multiply
    16,565.54x = 22,860.28 × 9,396.78
  4. Step 4: Simplify right side
    16,565.54x = 214,813,021.90
  5. Step 5: Solve for x
    x = 214,813,021.90/16,565.54
  6. Step 6: Final answer
    x = 12,967.46

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Half scale
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Double scale
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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.