Home / 13,444.16-18,558.10-8,966.28

Finding the Fourth Proportional to 13,444.16, 18,558.10 and 8,966.28

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Solution

The fourth proportional to 13,444.16, 18,558.10 and 8,966.28 is: 12,376.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.16 : 18,558.10 = 8,966.28 : x
  2. Step 2: Convert to fraction form
    13,444.16/18,558.10 = 8,966.28/x
  3. Step 3: Cross multiply
    13,444.16x = 18,558.10 × 8,966.28
  4. Step 4: Simplify right side
    13,444.16x = 166,397,120.87
  5. Step 5: Solve for x
    x = 166,397,120.87/13,444.16
  6. Step 6: Final answer
    x = 12,376.91

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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.