Home / 20,025.42-30,031.32-6,695.46

Finding the Fourth Proportional to 20,025.42, 30,031.32 and 6,695.46

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Solution

The fourth proportional to 20,025.42, 30,031.32 and 6,695.46 is: 10,040.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.42 : 30,031.32 = 6,695.46 : x
  2. Step 2: Convert to fraction form
    20,025.42/30,031.32 = 6,695.46/x
  3. Step 3: Cross multiply
    20,025.42x = 30,031.32 × 6,695.46
  4. Step 4: Simplify right side
    20,025.42x = 201,073,501.81
  5. Step 5: Solve for x
    x = 201,073,501.81/20,025.42
  6. Step 6: Final answer
    x = 10,040.91

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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.