Home / 18,438.60-25,446.78-10,483.32

Finding the Fourth Proportional to 18,438.60, 25,446.78 and 10,483.32

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Solution

The fourth proportional to 18,438.60, 25,446.78 and 10,483.32 is: 14,467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438.60 : 25,446.78 = 10,483.32 : x
  2. Step 2: Convert to fraction form
    18,438.60/25,446.78 = 10,483.32/x
  3. Step 3: Cross multiply
    18,438.60x = 25,446.78 × 10,483.32
  4. Step 4: Simplify right side
    18,438.60x = 266,766,737.71
  5. Step 5: Solve for x
    x = 266,766,737.71/18,438.60
  6. Step 6: Final answer
    x = 14,467.84

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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.