Home / 14,407.22-21,610.10-5,643.74

Finding the Fourth Proportional to 14,407.22, 21,610.10 and 5,643.74

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Solution

The fourth proportional to 14,407.22, 21,610.10 and 5,643.74 is: 8,465.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,407.22 : 21,610.10 = 5,643.74 : x
  2. Step 2: Convert to fraction form
    14,407.22/21,610.10 = 5,643.74/x
  3. Step 3: Cross multiply
    14,407.22x = 21,610.10 × 5,643.74
  4. Step 4: Simplify right side
    14,407.22x = 121,961,785.77
  5. Step 5: Solve for x
    x = 121,961,785.77/14,407.22
  6. Step 6: Final answer
    x = 8,465.32

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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.