Home / 25,123.70-34,670.57-13,792.88

Finding the Fourth Proportional to 25,123.70, 34,670.57 and 13,792.88

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Solution

The fourth proportional to 25,123.70, 34,670.57 and 13,792.88 is: 19,034.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,123.70 : 34,670.57 = 13,792.88 : x
  2. Step 2: Convert to fraction form
    25,123.70/34,670.57 = 13,792.88/x
  3. Step 3: Cross multiply
    25,123.70x = 34,670.57 × 13,792.88
  4. Step 4: Simplify right side
    25,123.70x = 478,206,769.22
  5. Step 5: Solve for x
    x = 478,206,769.22/25,123.70
  6. Step 6: Final answer
    x = 19,034.09

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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.