Home / 18,784.56-25,921.08-10,398.96

Finding the Fourth Proportional to 18,784.56, 25,921.08 and 10,398.96

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Solution

The fourth proportional to 18,784.56, 25,921.08 and 10,398.96 is: 14,349.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784.56 : 25,921.08 = 10,398.96 : x
  2. Step 2: Convert to fraction form
    18,784.56/25,921.08 = 10,398.96/x
  3. Step 3: Cross multiply
    18,784.56x = 25,921.08 × 10,398.96
  4. Step 4: Simplify right side
    18,784.56x = 269,552,274.08
  5. Step 5: Solve for x
    x = 269,552,274.08/18,784.56
  6. Step 6: Final answer
    x = 14,349.67

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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.