Home / 26,247.60-39,346.20-8,708.40

Finding the Fourth Proportional to 26,247.60, 39,346.20 and 8,708.40

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Solution

The fourth proportional to 26,247.60, 39,346.20 and 8,708.40 is: 13,054.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,247.60 : 39,346.20 = 8,708.40 : x
  2. Step 2: Convert to fraction form
    26,247.60/39,346.20 = 8,708.40/x
  3. Step 3: Cross multiply
    26,247.60x = 39,346.20 × 8,708.40
  4. Step 4: Simplify right side
    26,247.60x = 342,642,448.08
  5. Step 5: Solve for x
    x = 342,642,448.08/26,247.60
  6. Step 6: Final answer
    x = 13,054.24

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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.