Home / 14,251.56-21,345.48-8,240.28

Finding the Fourth Proportional to 14,251.56, 21,345.48 and 8,240.28

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Solution

The fourth proportional to 14,251.56, 21,345.48 and 8,240.28 is: 12,342.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.56 : 21,345.48 = 8,240.28 : x
  2. Step 2: Convert to fraction form
    14,251.56/21,345.48 = 8,240.28/x
  3. Step 3: Cross multiply
    14,251.56x = 21,345.48 × 8,240.28
  4. Step 4: Simplify right side
    14,251.56x = 175,892,731.93
  5. Step 5: Solve for x
    x = 175,892,731.93/14,251.56
  6. Step 6: Final answer
    x = 12,342.00

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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.