Home / 14,025.30-21,031.78-5,254.07

Finding the Fourth Proportional to 14,025.30, 21,031.78 and 5,254.07

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Solution

The fourth proportional to 14,025.30, 21,031.78 and 5,254.07 is: 7,878.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,025.30 : 21,031.78 = 5,254.07 : x
  2. Step 2: Convert to fraction form
    14,025.30/21,031.78 = 5,254.07/x
  3. Step 3: Cross multiply
    14,025.30x = 21,031.78 × 5,254.07
  4. Step 4: Simplify right side
    14,025.30x = 110,502,326.05
  5. Step 5: Solve for x
    x = 110,502,326.05/14,025.30
  6. Step 6: Final answer
    x = 7,878.79

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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.