Home / 14,989.32-22,479.12-7,090.61

Finding the Fourth Proportional to 14,989.32, 22,479.12 and 7,090.61

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Solution

The fourth proportional to 14,989.32, 22,479.12 and 7,090.61 is: 10,633.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,989.32 : 22,479.12 = 7,090.61 : x
  2. Step 2: Convert to fraction form
    14,989.32/22,479.12 = 7,090.61/x
  3. Step 3: Cross multiply
    14,989.32x = 22,479.12 × 7,090.61
  4. Step 4: Simplify right side
    14,989.32x = 159,390,560.67
  5. Step 5: Solve for x
    x = 159,390,560.67/14,989.32
  6. Step 6: Final answer
    x = 10,633.61

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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.