Home / 16,956.88-25,412.28-7,701.20

Finding the Fourth Proportional to 16,956.88, 25,412.28 and 7,701.20

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Solution

The fourth proportional to 16,956.88, 25,412.28 and 7,701.20 is: 11,541.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,956.88 : 25,412.28 = 7,701.20 : x
  2. Step 2: Convert to fraction form
    16,956.88/25,412.28 = 7,701.20/x
  3. Step 3: Cross multiply
    16,956.88x = 25,412.28 × 7,701.20
  4. Step 4: Simplify right side
    16,956.88x = 195,705,050.74
  5. Step 5: Solve for x
    x = 195,705,050.74/16,956.88
  6. Step 6: Final answer
    x = 11,541.34

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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.