Home / 25,261.94-34,861.70-13,931.89

Finding the Fourth Proportional to 25,261.94, 34,861.70 and 13,931.89

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Solution

The fourth proportional to 25,261.94, 34,861.70 and 13,931.89 is: 19,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,261.94 : 34,861.70 = 13,931.89 : x
  2. Step 2: Convert to fraction form
    25,261.94/34,861.70 = 13,931.89/x
  3. Step 3: Cross multiply
    25,261.94x = 34,861.70 × 13,931.89
  4. Step 4: Simplify right side
    25,261.94x = 485,689,317.29
  5. Step 5: Solve for x
    x = 485,689,317.29/25,261.94
  6. Step 6: Final answer
    x = 19,226.13

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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.