Home / 14,101.29-21,154.74-4,240.14

Finding the Fourth Proportional to 14,101.29, 21,154.74 and 4,240.14

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Solution

The fourth proportional to 14,101.29, 21,154.74 and 4,240.14 is: 6,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.29 : 21,154.74 = 4,240.14 : x
  2. Step 2: Convert to fraction form
    14,101.29/21,154.74 = 4,240.14/x
  3. Step 3: Cross multiply
    14,101.29x = 21,154.74 × 4,240.14
  4. Step 4: Simplify right side
    14,101.29x = 89,699,059.26
  5. Step 5: Solve for x
    x = 89,699,059.26/14,101.29
  6. Step 6: Final answer
    x = 6,361.05

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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.