Home / 18,925.84-26,123.72-11,847.76

Finding the Fourth Proportional to 18,925.84, 26,123.72 and 11,847.76

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Solution

The fourth proportional to 18,925.84, 26,123.72 and 11,847.76 is: 16,353.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,925.84 : 26,123.72 = 11,847.76 : x
  2. Step 2: Convert to fraction form
    18,925.84/26,123.72 = 11,847.76/x
  3. Step 3: Cross multiply
    18,925.84x = 26,123.72 × 11,847.76
  4. Step 4: Simplify right side
    18,925.84x = 309,507,564.87
  5. Step 5: Solve for x
    x = 309,507,564.87/18,925.84
  6. Step 6: Final answer
    x = 16,353.70

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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.