Home / 17,275.90-25,872.32-9,857.87

Finding the Fourth Proportional to 17,275.90, 25,872.32 and 9,857.87

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Solution

The fourth proportional to 17,275.90, 25,872.32 and 9,857.87 is: 14,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,275.90 : 25,872.32 = 9,857.87 : x
  2. Step 2: Convert to fraction form
    17,275.90/25,872.32 = 9,857.87/x
  3. Step 3: Cross multiply
    17,275.90x = 25,872.32 × 9,857.87
  4. Step 4: Simplify right side
    17,275.90x = 255,045,788.51
  5. Step 5: Solve for x
    x = 255,045,788.51/17,275.90
  6. Step 6: Final answer
    x = 14,763.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.