Home / 20,719.19-31,074.30-5,924.13

Finding the Fourth Proportional to 20,719.19, 31,074.30 and 5,924.13

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Solution

The fourth proportional to 20,719.19, 31,074.30 and 5,924.13 is: 8,884.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,719.19 : 31,074.30 = 5,924.13 : x
  2. Step 2: Convert to fraction form
    20,719.19/31,074.30 = 5,924.13/x
  3. Step 3: Cross multiply
    20,719.19x = 31,074.30 × 5,924.13
  4. Step 4: Simplify right side
    20,719.19x = 184,088,192.86
  5. Step 5: Solve for x
    x = 184,088,192.86/20,719.19
  6. Step 6: Final answer
    x = 8,884.91

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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.