Home / 25,123.65-34,670.78-13,793.64

Finding the Fourth Proportional to 25,123.65, 34,670.78 and 13,793.64

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Solution

The fourth proportional to 25,123.65, 34,670.78 and 13,793.64 is: 19,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,123.65 : 34,670.78 = 13,793.64 : x
  2. Step 2: Convert to fraction form
    25,123.65/34,670.78 = 13,793.64/x
  3. Step 3: Cross multiply
    25,123.65x = 34,670.78 × 13,793.64
  4. Step 4: Simplify right side
    25,123.65x = 478,236,257.84
  5. Step 5: Solve for x
    x = 478,236,257.84/25,123.65
  6. Step 6: Final answer
    x = 19,035.30

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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.