Home / 14,451.89-21,679.90-4,457.48

Finding the Fourth Proportional to 14,451.89, 21,679.90 and 4,457.48

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Solution

The fourth proportional to 14,451.89, 21,679.90 and 4,457.48 is: 6,686.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451.89 : 21,679.90 = 4,457.48 : x
  2. Step 2: Convert to fraction form
    14,451.89/21,679.90 = 4,457.48/x
  3. Step 3: Cross multiply
    14,451.89x = 21,679.90 × 4,457.48
  4. Step 4: Simplify right side
    14,451.89x = 96,637,748.13
  5. Step 5: Solve for x
    x = 96,637,748.13/14,451.89
  6. Step 6: Final answer
    x = 6,686.86

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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.