Home / 14,530.08-20,049.12-9,151.68

Finding the Fourth Proportional to 14,530.08, 20,049.12 and 9,151.68

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Solution

The fourth proportional to 14,530.08, 20,049.12 and 9,151.68 is: 12,627.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,530.08 : 20,049.12 = 9,151.68 : x
  2. Step 2: Convert to fraction form
    14,530.08/20,049.12 = 9,151.68/x
  3. Step 3: Cross multiply
    14,530.08x = 20,049.12 × 9,151.68
  4. Step 4: Simplify right side
    14,530.08x = 183,483,130.52
  5. Step 5: Solve for x
    x = 183,483,130.52/14,530.08
  6. Step 6: Final answer
    x = 12,627.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.