Home / 14,126.25-21,189.53-4,265.62

Finding the Fourth Proportional to 14,126.25, 21,189.53 and 4,265.62

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Solution

The fourth proportional to 14,126.25, 21,189.53 and 4,265.62 is: 6,398.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.25 : 21,189.53 = 4,265.62 : x
  2. Step 2: Convert to fraction form
    14,126.25/21,189.53 = 4,265.62/x
  3. Step 3: Cross multiply
    14,126.25x = 21,189.53 × 4,265.62
  4. Step 4: Simplify right side
    14,126.25x = 90,386,482.96
  5. Step 5: Solve for x
    x = 90,386,482.96/14,126.25
  6. Step 6: Final answer
    x = 6,398.48

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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.