Home / 14,649.40-21,974.65-7,531.74

Finding the Fourth Proportional to 14,649.40, 21,974.65 and 7,531.74

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Solution

The fourth proportional to 14,649.40, 21,974.65 and 7,531.74 is: 11,297.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.40 : 21,974.65 = 7,531.74 : x
  2. Step 2: Convert to fraction form
    14,649.40/21,974.65 = 7,531.74/x
  3. Step 3: Cross multiply
    14,649.40x = 21,974.65 × 7,531.74
  4. Step 4: Simplify right side
    14,649.40x = 165,507,276.63
  5. Step 5: Solve for x
    x = 165,507,276.63/14,649.40
  6. Step 6: Final answer
    x = 11,297.89

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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.