Home / 25,281.51-34,885.85-14,669.09

Finding the Fourth Proportional to 25,281.51, 34,885.85 and 14,669.09

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Solution

The fourth proportional to 25,281.51, 34,885.85 and 14,669.09 is: 20,241.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281.51 : 34,885.85 = 14,669.09 : x
  2. Step 2: Convert to fraction form
    25,281.51/34,885.85 = 14,669.09/x
  3. Step 3: Cross multiply
    25,281.51x = 34,885.85 × 14,669.09
  4. Step 4: Simplify right side
    25,281.51x = 511,743,673.38
  5. Step 5: Solve for x
    x = 511,743,673.38/25,281.51
  6. Step 6: Final answer
    x = 20,241.82

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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.