Home / 14,041.32-21,056.12-5,715.68

Finding the Fourth Proportional to 14,041.32, 21,056.12 and 5,715.68

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Solution

The fourth proportional to 14,041.32, 21,056.12 and 5,715.68 is: 8,571.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041.32 : 21,056.12 = 5,715.68 : x
  2. Step 2: Convert to fraction form
    14,041.32/21,056.12 = 5,715.68/x
  3. Step 3: Cross multiply
    14,041.32x = 21,056.12 × 5,715.68
  4. Step 4: Simplify right side
    14,041.32x = 120,350,049.98
  5. Step 5: Solve for x
    x = 120,350,049.98/14,041.32
  6. Step 6: Final answer
    x = 8,571.14

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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.