Home / 14,435.84-19,912.47-8,765.07

Finding the Fourth Proportional to 14,435.84, 19,912.47 and 8,765.07

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Solution

The fourth proportional to 14,435.84, 19,912.47 and 8,765.07 is: 12,090.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435.84 : 19,912.47 = 8,765.07 : x
  2. Step 2: Convert to fraction form
    14,435.84/19,912.47 = 8,765.07/x
  3. Step 3: Cross multiply
    14,435.84x = 19,912.47 × 8,765.07
  4. Step 4: Simplify right side
    14,435.84x = 174,534,193.42
  5. Step 5: Solve for x
    x = 174,534,193.42/14,435.84
  6. Step 6: Final answer
    x = 12,090.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.