Home / 25,609.60-38,416.20-14,521.60

Finding the Fourth Proportional to 25,609.60, 38,416.20 and 14,521.60

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Solution

The fourth proportional to 25,609.60, 38,416.20 and 14,521.60 is: 21,783.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,609.60 : 38,416.20 = 14,521.60 : x
  2. Step 2: Convert to fraction form
    25,609.60/38,416.20 = 14,521.60/x
  3. Step 3: Cross multiply
    25,609.60x = 38,416.20 × 14,521.60
  4. Step 4: Simplify right side
    25,609.60x = 557,864,689.92
  5. Step 5: Solve for x
    x = 557,864,689.92/25,609.60
  6. Step 6: Final answer
    x = 21,783.42

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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.