Home / 25,471.51-38,157.55-16,679.77

Finding the Fourth Proportional to 25,471.51, 38,157.55 and 16,679.77

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Solution

The fourth proportional to 25,471.51, 38,157.55 and 16,679.77 is: 24,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,471.51 : 38,157.55 = 16,679.77 : x
  2. Step 2: Convert to fraction form
    25,471.51/38,157.55 = 16,679.77/x
  3. Step 3: Cross multiply
    25,471.51x = 38,157.55 × 16,679.77
  4. Step 4: Simplify right side
    25,471.51x = 636,459,157.76
  5. Step 5: Solve for x
    x = 636,459,157.76/25,471.51
  6. Step 6: Final answer
    x = 24,987.10

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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.