Home / 25,215.85-34,797.58-13,885.12

Finding the Fourth Proportional to 25,215.85, 34,797.58 and 13,885.12

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Solution

The fourth proportional to 25,215.85, 34,797.58 and 13,885.12 is: 19,161.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,215.85 : 34,797.58 = 13,885.12 : x
  2. Step 2: Convert to fraction form
    25,215.85/34,797.58 = 13,885.12/x
  3. Step 3: Cross multiply
    25,215.85x = 34,797.58 × 13,885.12
  4. Step 4: Simplify right side
    25,215.85x = 483,168,574.01
  5. Step 5: Solve for x
    x = 483,168,574.01/25,215.85
  6. Step 6: Final answer
    x = 19,161.30

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Double scale
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Similar ratio
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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.