Home / 14,928.21-22,358.27-7,142.53

Finding the Fourth Proportional to 14,928.21, 22,358.27 and 7,142.53

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Solution

The fourth proportional to 14,928.21, 22,358.27 and 7,142.53 is: 10,697.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,928.21 : 22,358.27 = 7,142.53 : x
  2. Step 2: Convert to fraction form
    14,928.21/22,358.27 = 7,142.53/x
  3. Step 3: Cross multiply
    14,928.21x = 22,358.27 × 7,142.53
  4. Step 4: Simplify right side
    14,928.21x = 159,694,614.22
  5. Step 5: Solve for x
    x = 159,694,614.22/14,928.21
  6. Step 6: Final answer
    x = 10,697.51

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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.