Home / 18,569.79-25,626.09-10,071.75

Finding the Fourth Proportional to 18,569.79, 25,626.09 and 10,071.75

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Solution

The fourth proportional to 18,569.79, 25,626.09 and 10,071.75 is: 13,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569.79 : 25,626.09 = 10,071.75 : x
  2. Step 2: Convert to fraction form
    18,569.79/25,626.09 = 10,071.75/x
  3. Step 3: Cross multiply
    18,569.79x = 25,626.09 × 10,071.75
  4. Step 4: Simplify right side
    18,569.79x = 258,099,705.82
  5. Step 5: Solve for x
    x = 258,099,705.82/18,569.79
  6. Step 6: Final answer
    x = 13,898.90

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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.