Home / 25,140.75-34,694.16-13,810.20

Finding the Fourth Proportional to 25,140.75, 34,694.16 and 13,810.20

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Solution

The fourth proportional to 25,140.75, 34,694.16 and 13,810.20 is: 19,058.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,140.75 : 34,694.16 = 13,810.20 : x
  2. Step 2: Convert to fraction form
    25,140.75/34,694.16 = 13,810.20/x
  3. Step 3: Cross multiply
    25,140.75x = 34,694.16 × 13,810.20
  4. Step 4: Simplify right side
    25,140.75x = 479,133,288.43
  5. Step 5: Solve for x
    x = 479,133,288.43/25,140.75
  6. Step 6: Final answer
    x = 19,058.03

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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.