Home / 14,232.78-21,355.86-8,966.58

Finding the Fourth Proportional to 14,232.78, 21,355.86 and 8,966.58

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Solution

The fourth proportional to 14,232.78, 21,355.86 and 8,966.58 is: 13,454.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,232.78 : 21,355.86 = 8,966.58 : x
  2. Step 2: Convert to fraction form
    14,232.78/21,355.86 = 8,966.58/x
  3. Step 3: Cross multiply
    14,232.78x = 21,355.86 × 8,966.58
  4. Step 4: Simplify right side
    14,232.78x = 191,489,027.16
  5. Step 5: Solve for x
    x = 191,489,027.16/14,232.78
  6. Step 6: Final answer
    x = 13,454.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.