Home / 14,106.61-21,159.68-3,433.08

Finding the Fourth Proportional to 14,106.61, 21,159.68 and 3,433.08

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Solution

The fourth proportional to 14,106.61, 21,159.68 and 3,433.08 is: 5,149.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.61 : 21,159.68 = 3,433.08 : x
  2. Step 2: Convert to fraction form
    14,106.61/21,159.68 = 3,433.08/x
  3. Step 3: Cross multiply
    14,106.61x = 21,159.68 × 3,433.08
  4. Step 4: Simplify right side
    14,106.61x = 72,642,821.81
  5. Step 5: Solve for x
    x = 72,642,821.81/14,106.61
  6. Step 6: Final answer
    x = 5,149.56

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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.