Home / 25,815.53-38,660.92-14,688.50

Finding the Fourth Proportional to 25,815.53, 38,660.92 and 14,688.50

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Solution

The fourth proportional to 25,815.53, 38,660.92 and 14,688.50 is: 21,997.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,815.53 : 38,660.92 = 14,688.50 : x
  2. Step 2: Convert to fraction form
    25,815.53/38,660.92 = 14,688.50/x
  3. Step 3: Cross multiply
    25,815.53x = 38,660.92 × 14,688.50
  4. Step 4: Simplify right side
    25,815.53x = 567,870,946.63
  5. Step 5: Solve for x
    x = 567,870,946.63/25,815.53
  6. Step 6: Final answer
    x = 21,997.27

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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.