Home / 25,078.70-34,609.43-13,748.22

Finding the Fourth Proportional to 25,078.70, 34,609.43 and 13,748.22

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Solution

The fourth proportional to 25,078.70, 34,609.43 and 13,748.22 is: 18,973.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,078.70 : 34,609.43 = 13,748.22 : x
  2. Step 2: Convert to fraction form
    25,078.70/34,609.43 = 13,748.22/x
  3. Step 3: Cross multiply
    25,078.70x = 34,609.43 × 13,748.22
  4. Step 4: Simplify right side
    25,078.70x = 475,817,988.97
  5. Step 5: Solve for x
    x = 475,817,988.97/25,078.70
  6. Step 6: Final answer
    x = 18,973.00

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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.