Home / 14,315.94-19,753.47-8,649.18

Finding the Fourth Proportional to 14,315.94, 19,753.47 and 8,649.18

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Solution

The fourth proportional to 14,315.94, 19,753.47 and 8,649.18 is: 11,934.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.94 : 19,753.47 = 8,649.18 : x
  2. Step 2: Convert to fraction form
    14,315.94/19,753.47 = 8,649.18/x
  3. Step 3: Cross multiply
    14,315.94x = 19,753.47 × 8,649.18
  4. Step 4: Simplify right side
    14,315.94x = 170,851,317.65
  5. Step 5: Solve for x
    x = 170,851,317.65/14,315.94
  6. Step 6: Final answer
    x = 11,934.34

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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.