Home / 14,531.92-21,807.45-7,962.72

Finding the Fourth Proportional to 14,531.92, 21,807.45 and 7,962.72

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Solution

The fourth proportional to 14,531.92, 21,807.45 and 7,962.72 is: 11,949.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,531.92 : 21,807.45 = 7,962.72 : x
  2. Step 2: Convert to fraction form
    14,531.92/21,807.45 = 7,962.72/x
  3. Step 3: Cross multiply
    14,531.92x = 21,807.45 × 7,962.72
  4. Step 4: Simplify right side
    14,531.92x = 173,646,536.49
  5. Step 5: Solve for x
    x = 173,646,536.49/14,531.92
  6. Step 6: Final answer
    x = 11,949.32

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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.