Home / 14,531.40-21,798.72-5,767.20

Finding the Fourth Proportional to 14,531.40, 21,798.72 and 5,767.20

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Solution

The fourth proportional to 14,531.40, 21,798.72 and 5,767.20 is: 8,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,531.40 : 21,798.72 = 5,767.20 : x
  2. Step 2: Convert to fraction form
    14,531.40/21,798.72 = 5,767.20/x
  3. Step 3: Cross multiply
    14,531.40x = 21,798.72 × 5,767.20
  4. Step 4: Simplify right side
    14,531.40x = 125,717,577.98
  5. Step 5: Solve for x
    x = 125,717,577.98/14,531.40
  6. Step 6: Final answer
    x = 8,651.44

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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.