Home / 14,467.02-21,700.38-10,978.46

Finding the Fourth Proportional to 14,467.02, 21,700.38 and 10,978.46

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Solution

The fourth proportional to 14,467.02, 21,700.38 and 10,978.46 is: 16,467.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,467.02 : 21,700.38 = 10,978.46 : x
  2. Step 2: Convert to fraction form
    14,467.02/21,700.38 = 10,978.46/x
  3. Step 3: Cross multiply
    14,467.02x = 21,700.38 × 10,978.46
  4. Step 4: Simplify right side
    14,467.02x = 238,236,706.10
  5. Step 5: Solve for x
    x = 238,236,706.10/14,467.02
  6. Step 6: Final answer
    x = 16,467.57

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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.