Home / 14,541.12-20,069.34-8,572.44

Finding the Fourth Proportional to 14,541.12, 20,069.34 and 8,572.44

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Solution

The fourth proportional to 14,541.12, 20,069.34 and 8,572.44 is: 11,831.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,541.12 : 20,069.34 = 8,572.44 : x
  2. Step 2: Convert to fraction form
    14,541.12/20,069.34 = 8,572.44/x
  3. Step 3: Cross multiply
    14,541.12x = 20,069.34 × 8,572.44
  4. Step 4: Simplify right side
    14,541.12x = 172,043,212.99
  5. Step 5: Solve for x
    x = 172,043,212.99/14,541.12
  6. Step 6: Final answer
    x = 11,831.50

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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.