Home / 14,349.22-21,490.99-14,108.65

Finding the Fourth Proportional to 14,349.22, 21,490.99 and 14,108.65

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Solution

The fourth proportional to 14,349.22, 21,490.99 and 14,108.65 is: 21,130.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,349.22 : 21,490.99 = 14,108.65 : x
  2. Step 2: Convert to fraction form
    14,349.22/21,490.99 = 14,108.65/x
  3. Step 3: Cross multiply
    14,349.22x = 21,490.99 × 14,108.65
  4. Step 4: Simplify right side
    14,349.22x = 303,208,767.06
  5. Step 5: Solve for x
    x = 303,208,767.06/14,349.22
  6. Step 6: Final answer
    x = 21,130.68

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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.