Home / 18,856.55-26,020.85-10,358.64

Finding the Fourth Proportional to 18,856.55, 26,020.85 and 10,358.64

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Solution

The fourth proportional to 18,856.55, 26,020.85 and 10,358.64 is: 14,294.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,856.55 : 26,020.85 = 10,358.64 : x
  2. Step 2: Convert to fraction form
    18,856.55/26,020.85 = 10,358.64/x
  3. Step 3: Cross multiply
    18,856.55x = 26,020.85 × 10,358.64
  4. Step 4: Simplify right side
    18,856.55x = 269,540,565.85
  5. Step 5: Solve for x
    x = 269,540,565.85/18,856.55
  6. Step 6: Final answer
    x = 14,294.27

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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.