Home / 57,685.69-86,529.26-18,246.25

Finding the Fourth Proportional to 57,685.69, 86,529.26 and 18,246.25

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Solution

The fourth proportional to 57,685.69, 86,529.26 and 18,246.25 is: 27,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,685.69 : 86,529.26 = 18,246.25 : x
  2. Step 2: Convert to fraction form
    57,685.69/86,529.26 = 18,246.25/x
  3. Step 3: Cross multiply
    57,685.69x = 86,529.26 × 18,246.25
  4. Step 4: Simplify right side
    57,685.69x = 1,578,834,510.28
  5. Step 5: Solve for x
    x = 1,578,834,510.28/57,685.69
  6. Step 6: Final answer
    x = 27,369.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.