Home / 14,315.22-19,755.23-8,649.95

Finding the Fourth Proportional to 14,315.22, 19,755.23 and 8,649.95

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Solution

The fourth proportional to 14,315.22, 19,755.23 and 8,649.95 is: 11,937.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.22 : 19,755.23 = 8,649.95 : x
  2. Step 2: Convert to fraction form
    14,315.22/19,755.23 = 8,649.95/x
  3. Step 3: Cross multiply
    14,315.22x = 19,755.23 × 8,649.95
  4. Step 4: Simplify right side
    14,315.22x = 170,881,609.71
  5. Step 5: Solve for x
    x = 170,881,609.71/14,315.22
  6. Step 6: Final answer
    x = 11,937.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.