Home / 14,149.65-21,224.45-3,761.40

Finding the Fourth Proportional to 14,149.65, 21,224.45 and 3,761.40

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Solution

The fourth proportional to 14,149.65, 21,224.45 and 3,761.40 is: 5,642.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.65 : 21,224.45 = 3,761.40 : x
  2. Step 2: Convert to fraction form
    14,149.65/21,224.45 = 3,761.40/x
  3. Step 3: Cross multiply
    14,149.65x = 21,224.45 × 3,761.40
  4. Step 4: Simplify right side
    14,149.65x = 79,833,547.83
  5. Step 5: Solve for x
    x = 79,833,547.83/14,149.65
  6. Step 6: Final answer
    x = 5,642.09

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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.