Home / 25,088.72-34,622.49-13,758.30

Finding the Fourth Proportional to 25,088.72, 34,622.49 and 13,758.30

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Solution

The fourth proportional to 25,088.72, 34,622.49 and 13,758.30 is: 18,986.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,088.72 : 34,622.49 = 13,758.30 : x
  2. Step 2: Convert to fraction form
    25,088.72/34,622.49 = 13,758.30/x
  3. Step 3: Cross multiply
    25,088.72x = 34,622.49 × 13,758.30
  4. Step 4: Simplify right side
    25,088.72x = 476,346,605.58
  5. Step 5: Solve for x
    x = 476,346,605.58/25,088.72
  6. Step 6: Final answer
    x = 18,986.48

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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.