Home / 26,314.60-39,496.20-13,176.40

Finding the Fourth Proportional to 26,314.60, 39,496.20 and 13,176.40

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Solution

The fourth proportional to 26,314.60, 39,496.20 and 13,176.40 is: 19,776.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,314.60 : 39,496.20 = 13,176.40 : x
  2. Step 2: Convert to fraction form
    26,314.60/39,496.20 = 13,176.40/x
  3. Step 3: Cross multiply
    26,314.60x = 39,496.20 × 13,176.40
  4. Step 4: Simplify right side
    26,314.60x = 520,417,729.68
  5. Step 5: Solve for x
    x = 520,417,729.68/26,314.60
  6. Step 6: Final answer
    x = 19,776.77

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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.