Home / 14,125.14-21,189.51-4,264.74

Finding the Fourth Proportional to 14,125.14, 21,189.51 and 4,264.74

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Solution

The fourth proportional to 14,125.14, 21,189.51 and 4,264.74 is: 6,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.14 : 21,189.51 = 4,264.74 : x
  2. Step 2: Convert to fraction form
    14,125.14/21,189.51 = 4,264.74/x
  3. Step 3: Cross multiply
    14,125.14x = 21,189.51 × 4,264.74
  4. Step 4: Simplify right side
    14,125.14x = 90,367,750.88
  5. Step 5: Solve for x
    x = 90,367,750.88/14,125.14
  6. Step 6: Final answer
    x = 6,397.65

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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.