Home / 14,457.13-21,686.45-4,069.69

Finding the Fourth Proportional to 14,457.13, 21,686.45 and 4,069.69

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Solution

The fourth proportional to 14,457.13, 21,686.45 and 4,069.69 is: 6,104.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457.13 : 21,686.45 = 4,069.69 : x
  2. Step 2: Convert to fraction form
    14,457.13/21,686.45 = 4,069.69/x
  3. Step 3: Cross multiply
    14,457.13x = 21,686.45 × 4,069.69
  4. Step 4: Simplify right side
    14,457.13x = 88,257,128.70
  5. Step 5: Solve for x
    x = 88,257,128.70/14,457.13
  6. Step 6: Final answer
    x = 6,104.75

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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.