Home / 14,620.02-21,931.42-4,090.05

Finding the Fourth Proportional to 14,620.02, 21,931.42 and 4,090.05

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Solution

The fourth proportional to 14,620.02, 21,931.42 and 4,090.05 is: 6,135.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.02 : 21,931.42 = 4,090.05 : x
  2. Step 2: Convert to fraction form
    14,620.02/21,931.42 = 4,090.05/x
  3. Step 3: Cross multiply
    14,620.02x = 21,931.42 × 4,090.05
  4. Step 4: Simplify right side
    14,620.02x = 89,700,494.71
  5. Step 5: Solve for x
    x = 89,700,494.71/14,620.02
  6. Step 6: Final answer
    x = 6,135.46

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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.