Home / 18,748.64-25,865.34-12,032.84

Finding the Fourth Proportional to 18,748.64, 25,865.34 and 12,032.84

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Solution

The fourth proportional to 18,748.64, 25,865.34 and 12,032.84 is: 16,600.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748.64 : 25,865.34 = 12,032.84 : x
  2. Step 2: Convert to fraction form
    18,748.64/25,865.34 = 12,032.84/x
  3. Step 3: Cross multiply
    18,748.64x = 25,865.34 × 12,032.84
  4. Step 4: Simplify right side
    18,748.64x = 311,233,497.77
  5. Step 5: Solve for x
    x = 311,233,497.77/18,748.64
  6. Step 6: Final answer
    x = 16,600.32

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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.