Home / 15,260.64-21,060.74-8,546.08

Finding the Fourth Proportional to 15,260.64, 21,060.74 and 8,546.08

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Solution

The fourth proportional to 15,260.64, 21,060.74 and 8,546.08 is: 11,794.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,260.64 : 21,060.74 = 8,546.08 : x
  2. Step 2: Convert to fraction form
    15,260.64/21,060.74 = 8,546.08/x
  3. Step 3: Cross multiply
    15,260.64x = 21,060.74 × 8,546.08
  4. Step 4: Simplify right side
    15,260.64x = 179,986,768.90
  5. Step 5: Solve for x
    x = 179,986,768.90/15,260.64
  6. Step 6: Final answer
    x = 11,794.18

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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.