Home / 18,637.92-25,723.98-10,685.46

Finding the Fourth Proportional to 18,637.92, 25,723.98 and 10,685.46

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Solution

The fourth proportional to 18,637.92, 25,723.98 and 10,685.46 is: 14,748.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637.92 : 25,723.98 = 10,685.46 : x
  2. Step 2: Convert to fraction form
    18,637.92/25,723.98 = 10,685.46/x
  3. Step 3: Cross multiply
    18,637.92x = 25,723.98 × 10,685.46
  4. Step 4: Simplify right side
    18,637.92x = 274,872,559.33
  5. Step 5: Solve for x
    x = 274,872,559.33/18,637.92
  6. Step 6: Final answer
    x = 14,748.03

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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.